Encyclopedia Astronautica
Deacon Rockoon


American sounding rocket. The Rockoon concept involved release of a 12 m diameter balloon from a ship, which took a Deacon sounding rocket to 9 to 27 km altitude in 80 minutes. The rocket was ignited at a preset time or altitude or by remote control, and then boosted an 18 kg payload to a 50 to 100 km altitude. The Deacon was painted black and wrapped in plastic to protect it against the cold, and fitted with larger fins for stability at high altitude.

In 1950 James Van Allen was seeking solutions for the economical study of the upper atmosphere, sun, and cosmic rays at high altitudes. Sounding rockets launched from sea level required heavy and expensive booster stages to get the upper stage and payload through the high drag ascent through the lower atmosphere. He conceived the idea of taking a small rocket above most of the earth's atmosphere by balloon, before igniting the single stage that would take it to space. He selected the Deacon rocket as suitable.

The rocket would rip through the light balloon after ignition. Van Allen estimated that ten Rockoons could be flown for the cost of one surface-launched sounding rocket of equivalent capability. The only problem was that no rocket range could accommodate the wide range of possible impact points that could result as the balloon drifted away from the launch point. So Rockoon could only be launched from ships at sea in remote areas, away from shipping lanes.

Payload: 17 kg (37 lb) to a 100 km altitude. Failures: 24. Success Rate: 68.83%. First Fail Date: 1952-08-21. Last Fail Date: 1956-07-24. Failures: 2. First Fail Date: 1955-09-28. Last Fail Date: 1955-09-29.

Gross mass: 93 kg (205 lb).
Payload: 17 kg (37 lb).
Height: 3.70 m (12.10 ft).
Diameter: 0.16 m (0.52 ft).
Span: 0.99 m (3.24 ft).
Thrust: 28.35 kN (6,373 lbf).
Apogee: 100 km (60 mi).
First Launch: 1952.08.21.
Last Launch: 1956.07.27.
Number: 77 .

More... - Chronology...


Associated Countries
See also
  • Rockoon The Rockoon (balloon-launched rocket) consisted of a small high-performance sounding rocket launched from a balloon above most of the atmosphere. The Rockoon low-cost technique was conceived during an Aerobee firing cruse of the Norton Sound in March 1949. Rockoons were first launched from icebreaker Eastwind off Greenland by an ONR group under James A. Van Allen. They were later used by ONR and University of Iowa research groups in 1953-55 and 1957, from ships in sea between Boston and Thule, Greenland. A variety of upper stage rocket stages were used. More...

Associated Manufacturers and Agencies
  • SUI American manufacturer of rockets. State University of Iowa, USA. More...

Associated Launch Sites
  • Atlantic Ocean Sounding rocket launches made from naval vessels in the Atlantic accounted for 521 launches from 1947 to 1995, reaching up to 750 kilometers altitude. More...
  • Pacific Ocean Sounding rocket launches made from naval vessels in the Pacific accounted for 280 launches from 1949 to 2006, reaching up to 1000 kilometers altitude. More...
  • Arctic Ocean Sounding rocket launches made from naval vessels in the Arctic accounted for 9 launches from 1952 to 2006, reaching up to 1000 kilometers altitude. More...

Associated Stages

Deacon Rockoon Chronology


1952 August 21 - . 06:25 GMT - . Launch Site: Arctic Ocean. Launch Pad: 80.1 N x 68.5 W. Launch Platform: WYG-279. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon. FAILURE: Failure.
  • SUI 1 test - . Nation: USA. Agency: SUI. Apogee: 11 km (6 mi). Summary: Launched at Arctic Ocean Launch Site 1 Launch Point 1 - - Latitude: 80.10 N - Longitude: 68.47 W..

1952 August 24 - . 03:34 GMT - . Launch Site: Arctic Ocean. Launch Pad: 77.5 N x 73.5 W. Launch Platform: WYG-279. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon. FAILURE: Failure.
  • SUI 2 test - . Nation: USA. Agency: SUI. Apogee: 11 km (6 mi). Summary: Launched at Arctic Ocean Launch Site 1 Launch Point 2 - - Latitude: 77.52 N - Longitude: 73.50 W..

1952 August 29 - . 00:26 GMT - . Launch Site: Arctic Ocean. Launch Pad: 77.6 N x 73.5 W. Launch Platform: WYG-279. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • SUI 3 test - . Nation: USA. Agency: SUI. Apogee: 61 km (37 mi). Summary: Launched at Arctic Ocean Launch Site 1 Launch Point 3 - - Latitude: 77.55 N - Longitude: 73.50 W..

1952 August 29 - . 07:36 GMT - . Launch Site: Arctic Ocean. Launch Pad: 77.5 N x 73.5 W. Launch Platform: WYG-279. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • SUI 4 Chemical release mission - . Nation: USA. Agency: SUI. Apogee: 60 km (37 mi). Summary: Launched at Arctic Ocean Launch Site 1 Launch Point 4 - - Latitude: 77.53 N - Longitude: 73.50 W..

1952 August 29 - . 18:15 GMT - . Launch Site: Arctic Ocean. Launch Pad: 77.4 N x 73.5 W. Launch Platform: WYG-279. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • SUI 5 Chemical release mission - . Nation: USA. Agency: SUI. Apogee: 90 km (55 mi). Summary: Launched at Arctic Ocean Launch Site 1 Launch Point 5 - - Latitude: 77.35 N - Longitude: 73.48 W..

1952 August 31 - . 21:10 GMT - . Launch Site: Arctic Ocean. Launch Pad: 77.3 N x 72.8 W. Launch Platform: WYG-279. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • SUI 6 Chemical release mission - . Nation: USA. Agency: SUI. Apogee: 60 km (37 mi). Summary: Launched at Arctic Ocean Launch Site 1 Launch Point 6 - - Latitude: 77.33 N - Longitude: 72.83 W..

1952 September 4 - . 09:17 GMT - . Launch Site: Arctic Ocean. Launch Pad: 77.2 N x 70.2 W. Launch Platform: WYG-279. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • SUI 7 Chemical release mission - . Nation: USA. Agency: SUI. Apogee: 60 km (37 mi). Summary: Launched at Arctic Ocean Launch Site 1 Launch Point 7 - - Latitude: 77.18 N - Longitude: 70.22 W..

1953 July 18 - . 22:27 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 42.4 N x 70.4 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon. FAILURE: Failure.
  • SUI 8 Chemical release mission - . Nation: USA. Agency: SUI. Apogee: 11 km (6 mi). Summary: Launched at Atlantic Ocean Launch Site 11 Launch Point 1 - - Latitude: 42.43 N - Longitude: 70.37 W..

1953 July 19 - . 10:30 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 43.1 N x 65.1 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon. FAILURE: Failure.
  • SUI 9 Chemical release mission - . Nation: USA. Agency: SUI. Apogee: 11 km (6 mi). Summary: Launched at Atlantic Ocean Launch Site 11 Launch Point 2 - - Latitude: 43.07 N - Longitude: 65.12 W..

1953 July 19 - . 15:53 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 43.7 N x 63.5 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon. FAILURE: Failure.
  • SUI 10 Chemical release mission - . Nation: USA. Agency: SUI. Apogee: 11 km (6 mi). Summary: Launched at Atlantic Ocean Launch Site 11 Launch Point 3 - - Latitude: 43.68 N - Longitude: 63.47 W..

1953 July 19 - . 21:57 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 44.3 N x 62.2 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon. FAILURE: Failure.
  • SUI 11 Chemical release mission - . Nation: USA. Agency: SUI. Apogee: 11 km (6 mi). Summary: Launched at Atlantic Ocean Launch Site 11 Launch Point 4 - - Latitude: 44.27 N - Longitude: 62.17 W..

1953 July 24 - . 16:40 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 58.5 N x 61.9 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon. FAILURE: Failure.
  • SUI 12 Chemical release mission - . Nation: USA. Agency: SUI. Apogee: 11 km (6 mi). Summary: Launched at Atlantic Ocean Launch Site 11 Launch Point 5 - - Latitude: 58.53 N - Longitude: 61.92 W..

1953 July 28 - . 09:41 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 62.5 N x 64.2 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • SUI 13 Chemical release mission - . Nation: USA. Agency: SUI. Apogee: 90 km (55 mi). Summary: Launched at Atlantic Ocean Launch Site 11 Launch Point 6 - - Latitude: 62.50 N - Longitude: 64.23 W..

1953 August 3 - . 18:28 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 62.8 N x 66.3 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • SUI 14 Chemical release mission - . Nation: USA. Agency: SUI. Apogee: 11 km (6 mi). Summary: Launched at Atlantic Ocean Launch Site 11 Launch Point 7 - - Latitude: 62.75 N - Longitude: 66.25 W..

1953 August 5 - . 21:54 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 62.1 N x 63.9 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • NRL Rockoon 1 Aeronomy mission - . Nation: USA. Agency: NRL. Apogee: 80 km (49 mi). Summary: Launched at Atlantic Ocean Launch Site 11 Launch Point 21 - - Latitude: 62.07 N - Longitude: 63.92 W..

1953 August 6 - . 15:07 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 64.3 N x 59.1 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon. FAILURE: Failure.
  • SUI 15 Chemical release mission - . Nation: USA. Agency: SUI. Apogee: 11 km (6 mi). Summary: Launched at Atlantic Ocean Launch Site 11 Launch Point 8 - - Latitude: 64.33 N - Longitude: 59.10 W..

1953 August 6 - . 18:40 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 65.2 N x 58.6 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • SUI 16 Chemical release mission - . Nation: USA. Agency: SUI. Apogee: 96 km (59 mi). Summary: Launched at Atlantic Ocean Launch Site 11 Launch Point 9 - - Latitude: 65.22 N - Longitude: 58.58 W..

1953 August 8 - . 15:09 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 73.6 N x 63.9 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • NRL Rockoon 2 Aeronomy mission - . Nation: USA. Agency: NRL. Apogee: 80 km (49 mi). Summary: Launched at Atlantic Ocean Launch Site 11 Launch Point 22 - - Latitude: 73.62 N - Longitude: 63.92 W..

1953 August 9 - . 05:54 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 74.4 N x 71.9 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • SUI 17 Chemical release mission - . Nation: USA. Agency: SUI. Apogee: 100 km (60 mi). Summary: Launched at Atlantic Ocean Launch Site 11 Launch Point 10 - - Latitude: 74.38 N - Longitude: 71.93 W..

1953 August 9 - . 19:15 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 74.5 N x 63.9 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon. FAILURE: Failure.
  • NRL Rockoon 3 Aeronomy mission - . Nation: USA. Agency: NRL. Apogee: 38 km (23 mi). Summary: Launched at Atlantic Ocean Launch Site 11 Launch Point 23 - - Latitude: 74.48 N - Longitude: 63.92 W..

1953 August 11 - . 17:09 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 74.6 N x 63.9 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • NRL Rockoon 4 Aeronomy mission - . Nation: USA. Agency: NRL. Apogee: 80 km (49 mi). Summary: Launched at Atlantic Ocean Launch Site 11 Launch Point 24 - - Latitude: 74.57 N - Longitude: 63.92 W..

1953 August 30 - . 14:00 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 53.1 N x 55.1 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon. FAILURE: Failure.
  • SUI 18 Chemical release mission - . Nation: USA. Agency: SUI. Apogee: 11 km (6 mi). Summary: Launched at Atlantic Ocean Launch Site 11 Launch Point 11 - - Latitude: 53.10 N - Longitude: 55.08 W..

1953 August 30 - . 16:20 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 52.8 N x 55.4 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon. FAILURE: Failure.
  • SUI 19 Chemical release mission - . Nation: USA. Agency: SUI. Apogee: 11 km (6 mi). Summary: Launched at Atlantic Ocean Launch Site 11 Launch Point 12 - - Latitude: 52.78 N - Longitude: 55.40 W..

1953 August 30 - . 20:46 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 53.1 N x 54.8 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • SUI 20 Chemical release mission - . Nation: USA. Agency: SUI. Apogee: 100 km (60 mi). Summary: Launched at Atlantic Ocean Launch Site 11 Launch Point 13 - - Latitude: 53.13 N - Longitude: 54.75 W..

1953 September 3 - . 09:50 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 44.8 N x 57.2 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • SUI 21 Chemical release mission - . Nation: USA. Agency: SUI. Apogee: 90 km (55 mi). Summary: Launched at Atlantic Ocean Launch Site 11 Launch Point 14 - - Latitude: 44.83 N - Longitude: 57.22 W..

1953 September 3 - . 11:51 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 44.8 N x 57.2 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • SUI 22 Chemical release mission - . Nation: USA. Agency: SUI. Apogee: 100 km (60 mi). Summary: Launched at Atlantic Ocean Launch Site 11 Launch Point 15 - - Latitude: 44.75 N - Longitude: 57.17 W..

1953 September 3 - . 14:05 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 44.6 N x 57.1 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • SUI 23 Chemical release mission - . Nation: USA. Agency: SUI. Apogee: 100 km (60 mi). Summary: Launched at Atlantic Ocean Launch Site 11 Launch Point 16 - - Latitude: 44.55 N - Longitude: 57.05 W..

1953 September 4 - . 03:59 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 43.2 N x 63.9 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • NRL Rockoon 5 Aeronomy mission - . Nation: USA. Agency: NRL. Apogee: 70 km (43 mi). Summary: Launched at Atlantic Ocean Launch Site 11 Launch Point 25 - - Latitude: 43.17 N - Longitude: 63.92 W..

1953 September 4 - . 15:51 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 43.0 N x 63.9 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • NRL Rockoon 6 Aeronomy mission - . Nation: USA. Agency: NRL. Apogee: 70 km (43 mi). Summary: Launched at Atlantic Ocean Launch Site 11 Launch Point 26 - - Latitude: 43.00 N - Longitude: 63.92 W..

1954 July 16 - . 12:13 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 42.1 N x 66.7 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon. FAILURE: Failure.
  • SUI 24 Ionosphere / aeronomy mission - . Nation: USA. Agency: SUI. Apogee: 90 km (55 mi). Summary: Launched at Atlantic Ocean Launch Site 12 Launch Point 1 - - Latitude: 42.10 N - Longitude: 66.70 W..

1954 July 16 - . 21:58 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 42.1 N x 66.7 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon. FAILURE: Failure.
  • SUI 25 Ionosphere / aeronomy mission - . Nation: USA. Agency: SUI. Apogee: 11 km (6 mi). Summary: Launched at Atlantic Ocean Launch Site 12 Launch Point 1 - - Latitude: 42.10 N - Longitude: 66.70 W..

1954 July 19 - . 16:00 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 54.0 N x 53.5 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • NRL Rockoon 7 Aeronomy mission - . Nation: USA. Agency: NRL. Apogee: 88 km (54 mi). Summary: Launched at Atlantic Ocean Launch Site 12 Launch Point 14 - - Latitude: 54.00 N - Longitude: 53.50 W..

1954 July 19 - . 20:30 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 54.6 N x 53.5 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • SUI 26 Aeronomy mission - . Nation: USA. Agency: SUI. Apogee: 43 km (26 mi). Summary: Launched at Atlantic Ocean Launch Site 12 Launch Point 2 - - Latitude: 54.63 N - Longitude: 53.50 W..

1954 July 20 - . 02:55 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 55.2 N x 53.4 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • NRL Rockoon 8 Ionosphere / aeronomy mission - . Nation: USA. Agency: NRL. Apogee: 90 km (55 mi). Summary: Launched at Atlantic Ocean Launch Site 12 Launch Point 15 - - Latitude: 55.22 N - Longitude: 53.38 W..

1954 July 21 - . 09:03 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 59.4 N x 54.2 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • SUI 27 Ionosphere / aeronomy mission - . Nation: USA. Agency: SUI. Apogee: 60 km (37 mi). Summary: Launched at Atlantic Ocean Launch Site 12 Launch Point 3 - - Latitude: 59.38 N - Longitude: 54.22 W..

1954 July 21 - . 12:45 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 59.6 N x 54.5 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • SUI 28 Ionosphere / aeronomy mission - . Nation: USA. Agency: SUI. Apogee: 90 km (55 mi). Summary: Launched at Atlantic Ocean Launch Site 12 Launch Point 4 - - Latitude: 59.60 N - Longitude: 54.45 W..

1954 July 21 - . 20:49 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 59.6 N x 52.5 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon. FAILURE: Failure.
  • SUI 29 Ionosphere / aeronomy mission - . Nation: USA. Agency: SUI. Apogee: 40 km (24 mi). Summary: Launched at Atlantic Ocean Launch Site 12 Launch Point 5 - - Latitude: 59.55 N - Longitude: 52.47 W..

1954 July 23 - . 14:46 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 59.5 N x 53.6 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • SUI 30 Ionosphere / aeronomy mission - . Nation: USA. Agency: SUI. Apogee: 90 km (55 mi). Summary: Launched at Atlantic Ocean Launch Site 12 Launch Point 6 - - Latitude: 59.53 N - Longitude: 53.62 W..

1954 July 23 - . 17:09 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 59.6 N x 53.0 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • NRL Rockoon 9 Ionosphere / aeronomy mission - . Nation: USA. Agency: NRL. Apogee: 90 km (55 mi). Summary: Launched at Atlantic Ocean Launch Site 12 Launch Point 16 - - Latitude: 59.55 N - Longitude: 53.02 W..

1954 July 23 - . 17:54 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 59.6 N x 52.8 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • SUI 31 Ionosphere / aeronomy mission - . Nation: USA. Agency: SUI. Apogee: 90 km (55 mi). Summary: Launched at Atlantic Ocean Launch Site 12 Launch Point 8 - - Latitude: 59.60 N - Longitude: 52.75 W..

1954 July 23 - . 19:37 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 59.6 N x 52.4 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon. FAILURE: Failure.
  • SUI 32 Ionosphere / aeronomy mission - . Nation: USA. Agency: SUI. Apogee: 23 km (14 mi). Summary: Launched at Atlantic Ocean Launch Site 12 Launch Point 7 - - Latitude: 59.63 N - Longitude: 52.35 W..

1954 July 24 - . 08:57 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 59.1 N x 54.2 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • SUI 33 Ionosphere / aeronomy mission - . Nation: USA. Agency: SUI. Apogee: 90 km (55 mi). Summary: Launched at Atlantic Ocean Launch Site 12 Launch Point 9 - - Latitude: 59.07 N - Longitude: 54.20 W..

1954 July 24 - . 13:16 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 58.9 N x 53.9 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • SUI 34 Ionosphere / aeronomy mission - . Nation: USA. Agency: SUI. Apogee: 90 km (55 mi). Summary: Launched at Atlantic Ocean Launch Site 12 Launch Point 10 - - Latitude: 58.85 N - Longitude: 53.92 W..

1954 July 25 - . 06:51 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 59.2 N x 53.7 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • SUI 35 Ionosphere / aeronomy mission - . Nation: USA. Agency: SUI. Apogee: 90 km (55 mi). Summary: Launched at Atlantic Ocean Launch Site 12 Launch Point 11 - - Latitude: 59.20 N - Longitude: 53.72 W..

1954 July 25 - . 12:36 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 59.4 N x 59.4 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • SUI 36 Ionosphere / aeronomy mission - . Nation: USA. Agency: SUI. Apogee: 90 km (55 mi). Summary: Launched at Atlantic Ocean Launch Site 12 Launch Point 12 - - Latitude: 59.37 N - Longitude: 59.37 W..

1954 July 25 - . 15:30 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 59.3 N x 54.6 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • SUI 37 Ionosphere / aeronomy mission - . Nation: USA. Agency: SUI. Apogee: 90 km (55 mi). Summary: Launched at Atlantic Ocean Launch Site 12 Launch Point 13 - - Latitude: 59.30 N - Longitude: 54.62 W..

1954 July 25 - . 18:45 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 58.4 N x 55.0 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • NRL Rockoon 10 Aeronomy mission - . Nation: USA. Agency: NRL. Apogee: 85 km (52 mi). Summary: Launched at Atlantic Ocean Launch Site 12 Launch Point 17 - - Latitude: 58.37 N - Longitude: 54.98 W..

1954 July 26 - . 00:29 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 58.7 N x 56.2 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon. FAILURE: Failure.
  • NRL Rockoon 11 Ionosphere / aeronomy mission - . Nation: USA. Agency: NRL. Apogee: 10 km (6 mi). Summary: Launched at Atlantic Ocean Launch Site 12 Launch Point 18 - - Latitude: 58.67 N - Longitude: 56.18 W..

1954 July 26 - . 11:02 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 60.1 N x 56.4 W. Launch Platform: WYG-279?. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • NRL Rockoon 12 Ionosphere / aeronomy mission - . Nation: USA. Agency: NRL. Apogee: 90 km (55 mi). Summary: Launched at Atlantic Ocean Launch Site 12 Launch Point 19 - - Latitude: 60.05 N - Longitude: 56.37 W..

1955 September 24 - . 16:35 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 44.6 N x 60.7 W. Launch Platform: AGB-5. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • SUI 39 Ionosphere / aeronomy mission - . Nation: USA. Agency: SUI. Apogee: 100 km (60 mi). Summary: Launched at Atlantic Ocean Launch Site 13 Launch Point 2 - - Latitude: 44.58 N - Longitude: 60.73 W..

1955 September 27 - . 19:12 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 58.1 N x 54.0 W. Launch Platform: AGB-5. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon. FAILURE: Failure.
  • NRL Rockoon 14 Ionosphere / aeronomy mission - . Nation: USA. Agency: NRL. Apogee: 11 km (6 mi). Summary: Launched at Atlantic Ocean Launch Site 13 Launch Point 20 - - Latitude: 58.05 N - Longitude: 53.97 W..

1955 September 27 - . 19:43 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 57.4 N x 54.6 W. Launch Platform: AGB-5. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • NRL Rockoon 13 Ionosphere / aeronomy mission - . Nation: USA. Agency: NRL. Apogee: 90 km (55 mi). Summary: Launched at Atlantic Ocean Launch Site 13 Launch Point 19 - - Latitude: 57.40 N - Longitude: 54.57 W..

1955 September 27 - . 20:54 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 57.9 N x 54.2 W. Launch Platform: AGB-5. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • SUI 42 Ionosphere / aeronomy mission - . Nation: USA. Agency: SUI. Apogee: 100 km (60 mi). Summary: Launched at Atlantic Ocean Launch Site 13 Launch Point 5 - - Latitude: 57.85 N - Longitude: 54.23 W..

1955 September 28 - . 12:45 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 61.5 N x 55.4 W. Launch Platform: AGB-5. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • NRL Rockoon 15 Ionosphere / aeronomy mission - . Nation: USA. Agency: NRL. Apogee: 90 km (55 mi). Summary: Launched at Atlantic Ocean Launch Site 13 Launch Point 21 - - Latitude: 61.45 N - Longitude: 55.43 W..

1955 September 28 - . 14:54 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 61.2 N x 55.3 W. Launch Platform: AGB-5. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • SUI 44 Ionosphere / aeronomy mission - . Nation: USA. Agency: SUI. Apogee: 100 km (60 mi). Summary: Launched at Atlantic Ocean Launch Site 13 Launch Point 7 - - Latitude: 61.17 N - Longitude: 55.25 W..

1955 September 28 - . 17:40 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 62.5 N x 56.7 W. Launch Platform: AGB-5. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon. FAILURE: Failure.
  • NRL Rockoon 16 Ionosphere / aeronomy mission - . Nation: USA. Agency: NRL. Apogee: 11 km (6 mi). Summary: Launched at Atlantic Ocean Launch Site 13 Launch Point 22 - - Latitude: 62.48 N - Longitude: 56.72 W..

1955 September 29 - . 13:42 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 65.7 N x 58.0 W. Launch Platform: AGB-5. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • SUI 46 Ionosphere / aeronomy mission - . Nation: USA. Agency: SUI. Apogee: 100 km (60 mi). Summary: Launched at Atlantic Ocean Launch Site 13 Launch Point 9 - - Latitude: 65.65 N - Longitude: 58.00 W..

1955 September 29 - . 19:13 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 67.5 N x 60.3 W. Launch Platform: AGB-5. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • SUI 47 Ionosphere / aeronomy mission - . Nation: USA. Agency: SUI. Apogee: 100 km (60 mi). Summary: Launched at Atlantic Ocean Launch Site 13 Launch Point 10 - - Latitude: 67.52 N - Longitude: 60.25 W..

1955 October 6 - . 10:54 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 65.9 N x 61.4 W. Launch Platform: AGB-5. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon. FAILURE: Failure.
  • NRL Rockoon 17 Ionosphere / aeronomy mission - . Nation: USA. Agency: NRL. Apogee: 11 km (6 mi). Summary: Launched at Atlantic Ocean Launch Site 13 Launch Point 23 - - Latitude: 65.92 N - Longitude: 61.40 W..

1955 October 6 - . 19:10 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 65.1 N x 61.9 W. Launch Platform: AGB-5. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • SUI 51 Ionosphere / aeronomy mission - . Nation: USA. Agency: SUI. Apogee: 100 km (60 mi). Summary: Launched at Atlantic Ocean Launch Site 13 Launch Point 14 - - Latitude: 65.12 N - Longitude: 61.85 W..

1955 October 11 - . 14:33 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 61.6 N x 64.6 W. Launch Platform: AGB-5. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon. FAILURE: Failure.
  • SUI 52 Ionosphere / aeronomy mission - . Nation: USA. Agency: SUI. Apogee: 20 km (12 mi). Summary: Launched at Atlantic Ocean Launch Site 13 Launch Point 15 - - Latitude: 61.58 N - Longitude: 64.60 W..

1955 October 11 - . 14:37 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 60.6 N x 63.5 W. Launch Platform: AGB-5. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • NRL Rockoon 18 Ionosphere / aeronomy mission - . Nation: USA. Agency: NRL. Apogee: 90 km (55 mi). Summary: Launched at Atlantic Ocean Launch Site 13 Launch Point 24 - - Latitude: 60.58 N - Longitude: 63.53 W..

1955 October 13 - . 06:37 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 57.2 N x 59.0 W. Launch Platform: AGB-5. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • NRL Rockoon 19 Ionosphere / aeronomy mission - . Nation: USA. Agency: NRL. Apogee: 60 km (37 mi). Summary: Launched at Atlantic Ocean Launch Site 13 Launch Point 25 - - Latitude: 57.17 N - Longitude: 59.00 W..

1955 October 13 - . 12:44 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 56.8 N x 58.7 W. Launch Platform: AGB-5. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • SUI 53 Ionosphere / aeronomy mission - . Nation: USA. Agency: SUI. Apogee: 100 km (60 mi). Summary: Launched at Atlantic Ocean Launch Site 13 Launch Point 16 - - Latitude: 56.78 N - Longitude: 58.70 W..

1955 October 13 - . 13:42 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 56.0 N x 57.7 W. Launch Platform: AGB-5. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon. FAILURE: Failure.
  • NRL Rockoon 20 Ionosphere / aeronomy mission - . Nation: USA. Agency: NRL. Apogee: 50 km (31 mi). Summary: Launched at Atlantic Ocean Launch Site 13 Launch Point 26 - - Latitude: 55.98 N - Longitude: 57.65 W..

1955 October 13 - . 15:24 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 56.4 N x 58.2 W. Launch Platform: AGB-5. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon. FAILURE: Failure.
  • SUI 54 Ionosphere / aeronomy mission - . Nation: USA. Agency: SUI. Apogee: 20 km (12 mi). Summary: Launched at Atlantic Ocean Launch Site 13 Launch Point 17 - - Latitude: 56.37 N - Longitude: 58.18 W..

1955 October 13 - . 20:13 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 55.7 N x 57.3 W. Launch Platform: AGB-5. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • SUI 55 Ionosphere / aeronomy mission - . Nation: USA. Agency: SUI. Apogee: 100 km (60 mi). Summary: Launched at Atlantic Ocean Launch Site 13 Launch Point 18 - - Latitude: 55.72 N - Longitude: 57.30 W..

1956 July 17 - . 15:40 GMT - . Launch Site: Pacific Ocean. Launch Pad: 29.7 N x 121.6 W. Launch Platform: LSD-18. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • NRL NN5.27 Solar ultraviolet and x-ray mission - . Nation: USA. Agency: NRL. Apogee: 120 km (70 mi). Summary: Launched on 1956 NRL Cruise Launch Point 1 - Latitude: 29.68 N, Longitude:121.57 W..

1956 July 18 - . 15:46 GMT - . Launch Site: Pacific Ocean. Launch Pad: 29.7 N x 121.6 W. Launch Platform: LSD-18. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • NRL NN5.28 Solar ultraviolet and x-ray mission - . Nation: USA. Agency: NRL. Apogee: 120 km (70 mi). Summary: Launched on 1956 NRL Cruise Launch Point 2 - Latitude: 29.70 N, Longitude:121.58 W..

1956 July 19 - . 15:21 GMT - . Launch Site: Pacific Ocean. Launch Pad: 30.3 N x 121.7 W. Launch Platform: LSD-18. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • NRL NN5.29 Solar ultraviolet and x-ray mission - . Nation: USA. Agency: NRL. Apogee: 120 km (70 mi). Summary: Launched on 1956 NRL Cruise Launch Point 3 - Latitude: 30.25 N, Longitude:121.67 W..

1956 July 20 - . 19:15 GMT - . Launch Site: Pacific Ocean. Launch Pad: 29.7 N x 121.5 W. Launch Platform: LSD-18. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon. LV Configuration: Deacon Rockoon 8.
  • NRL NN5.30 Solar ultraviolet and x-ray mission - . Nation: USA. Agency: NRL. Apogee: 120 km (70 mi). Summary: Launched on 1956 NRL Cruise Launch Point 4 - Latitude: 29.72 N, Longitude:121.53 W..

1956 July 21 - . 17:18 GMT - . Launch Site: Pacific Ocean. Launch Pad: 29.8 N x 121.5 W. Launch Platform: LSD-18. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon. FAILURE: Failure.
  • NRL NN5.31 Aeronomy mission - . Nation: USA. Agency: NRL. Apogee: 11 km (6 mi). Summary: Launched on 1956 NRL Cruise Launch Point 5 - Latitude: 29.75 N, Longitude:121.50 W..

1956 July 22 - . 17:57 GMT - . Launch Site: Pacific Ocean. Launch Pad: 30.2 N x 121.8 W. Launch Platform: LSD-18. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • NRL NN5.32 Solar ultraviolet and x-ray mission - . Nation: USA. Agency: NRL. Apogee: 120 km (70 mi). Summary: Launched on 1956 NRL Cruise Launch Point 6 - Latitude: 30.17 N, Longitude:121.82 W..

1956 July 24 - . 14:07 GMT - . Launch Site: Pacific Ocean. Launch Pad: 29.8 N x 121.8 W. Launch Platform: LSD-18. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon. FAILURE: Failure.
  • NRL NN5.33 Solar ultraviolet and x-ray mission - . Nation: USA. Agency: NRL. Apogee: 11 km (6 mi). Summary: Launched on 1956 NRL Cruise Launch Point 7 - Latitude: 29.75 N, Longitude:121.75 W..

1956 July 25 - . 15:15 GMT - . Launch Site: Pacific Ocean. Launch Pad: 29.7 N x 121.6 W. Launch Platform: LSD-18. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon.
  • NRL NN5.34 Solar ultraviolet and x-ray mission - . Nation: USA. Agency: NRL. Apogee: 120 km (70 mi). Summary: Launched on 1956 NRL Cruise Launch Point 8 - Latitude: 29.67 N, Longitude:121.58 W..

1956 July 26 - . 15:28 GMT - . Launch Site: Pacific Ocean. Launch Pad: 29.7 N x 121.5 W. Launch Platform: LSD-18. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon. LV Configuration: Deacon Rockoon NN5.35.
  • NRL NN5.35 Solar ultraviolet and x-ray mission - . Nation: USA. Agency: NRL. Apogee: 120 km (70 mi). Summary: Launched on 1956 NRL Cruise Launch Point 9 - Latitude: 29.72 N, Longitude:121.50 W..

1956 July 27 - . 15:30 GMT - . Launch Site: Pacific Ocean. Launch Pad: 29.5 N x 121.6 W. Launch Platform: LSD-18. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon. LV Configuration: Deacon Rockoon NN5.36.
  • NRL NN5.36 Solar ultraviolet and x-ray mission - . Nation: USA. Agency: NRL. Apogee: 120 km (70 mi). Summary: Launched on 1956 NRL Cruise Launch Point 10 - Latitude: 29.53 N, Longitude:121.62 W..

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