Encyclopedia Astronautica
Rosamund Dry Lake DZ


Air-launched rocket drop zone known to have been used for 18 launches from 1959 to 1960, reaching up to 26 kilometers altitude.

Longitude: -118.1083 deg.
Latitude: 34.7983 deg.

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Associated Launch Vehicles
Associated Launch Sites

Rosamund Dry Lake DZ Chronology


1959 June 8 - . 16:38 GMT - . Launch Site: Rosamund Dry Lake DZ. Launch Pad: 34.7 N x 118.1 W. Launch Platform: NB-52 003. LV Family: X-15. Launch Vehicle: X-15. LV Configuration: X-15 1-1-5.
  • X-15A test - . Nation: USA. Agency: NASA; USAF. Apogee: 11 km (6 mi). Summary: First flight for X-15 # 1. Planned glide flight. Maximum Speed - 840 kph. Maximum Altitude - 11445 m..

1959 September 17 - . 16:08 GMT - . Launch Site: Rosamund Dry Lake DZ. Launch Pad: 34.7 N x 118.1 W. Launch Platform: NB-52 003. LV Family: X-15. Launch Vehicle: X-15. LV Configuration: X-15 2-1-3. FAILURE: Turbopump failure and fire..
  • X-15A test - . Nation: USA. Agency: NASA; USAF. Apogee: 15 km (9 mi). Summary: First flight for X-15 # 2. First powered flight. Maximum Speed - 2241 kph. Maximum Altitude - 15954 m. Turbopump case failure resulted in fire in engine compartment..

1959 October 17 - . 18:13 GMT - . Launch Site: Rosamund Dry Lake DZ. Launch Pad: 34.7 N x 118.1 W. Launch Platform: NB-52 003. LV Family: X-15. Launch Vehicle: X-15. LV Configuration: X-15 2-2-6. FAILURE: Fire in engine bay, gear door failure..
  • X-15A test - . Nation: USA. Agency: NASA; USAF. Apogee: 18 km (11 mi). Summary: Maximum Speed - 2283 kph. Maximum Altitude - 18831 m. Nose gear door failed on landing..

1959 November 5 - . 17:39 GMT - . Launch Site: Rosamund Dry Lake DZ. Launch Pad: 34.7 N x 118.1 W. Launch Platform: NB-52 003. LV Family: X-15. Launch Vehicle: X-15. LV Configuration: X-15 2-3-9. FAILURE: Engine fire and explosion, fuselage failure on landing..
  • X-15A test - . Nation: USA. Agency: NASA; USAF. Apogee: 13 km (8 mi). Summary: Engine fire; fuselage structural failure on landing. Aircraft returned to North American for rebuild. Maximum Speed - 1062 kph. Maximum Altitude - 13857 m..

1960 January 24 - . 00:17 GMT - . Launch Site: Rosamund Dry Lake DZ. Launch Pad: 34.7 N x 118.1 W. Launch Platform: NB-52 008. LV Family: X-15. Launch Vehicle: X-15. LV Configuration: X-15 1-2-7.
  • X-15A SAS Evaluation test - . Nation: USA. Agency: NASA; USAF. Apogee: 20 km (12 mi). Summary: Maximum Speed - 2685 kph. Maximum Altitude - 20374 m..

1960 February 11 - . 18:15 GMT - . Launch Site: Rosamund Dry Lake DZ. Launch Pad: 34.7 N x 118.1 W. Launch Platform: NB-52 008. LV Family: X-15. Launch Vehicle: X-15. LV Configuration: X-15 2-4-11.
  • X-15A test - . Nation: USA. Agency: NASA; USAF. Apogee: 26 km (16 mi). Summary: Maximum Speed - 2359 kph. Maximum Altitude - 26858 m..

1960 February 17 - . 17:41 GMT - . Launch Site: Rosamund Dry Lake DZ. Launch Pad: 34.7 N x 118.1 W. Launch Platform: NB-52 008. LV Family: X-15. Launch Vehicle: X-15. LV Configuration: X-15 2-5-12.
  • X-15A SAS Evaluation test - . Nation: USA. Agency: NASA; USAF. Apogee: 16 km (9 mi). Summary: Maximum Speed - 1667 kph. Maximum Altitude - 16045 m. Automatic shutdown of one chamber in upper XLR-11..

1960 March 17 - . 16:31 GMT - . Launch Site: Rosamund Dry Lake DZ. Launch Pad: 34.7 N x 118.1 W. Launch Platform: NB-52 008. LV Family: X-15. Launch Vehicle: X-15. LV Configuration: X-15 2-6-13.
  • X-15A SAS Eval/Stability test - . Nation: USA. Agency: NASA; USAF. Apogee: 16 km (9 mi). Summary: Maximum Speed - 2283 kph. Maximum Altitude - 16045 m. 6G maneuver test..

1960 March 25 - . 23:43 GMT - . Launch Site: Rosamund Dry Lake DZ. Launch Pad: 34.7 N x 118.1 W. Launch Platform: NB-52 008. LV Family: X-15. Launch Vehicle: X-15. LV Configuration: X-15 1-3-8.
  • X-15A test - . Nation: USA. Agency: NASA; USAF. Apogee: 14 km (8 mi). Summary: Maximum Speed - 2124 kph. Maximum Altitude - 14822 m. Roll damper malfunctioned..

1960 March 29 - . 17:59 GMT - . Launch Site: Rosamund Dry Lake DZ. Launch Pad: 34.7 N x 118.1 W. Launch Platform: NB-52 008. LV Family: X-15. Launch Vehicle: X-15. LV Configuration: X-15 2-7-15.
  • X-15A test - . Nation: USA. Agency: NASA; USAF. Apogee: 15 km (9 mi). Summary: Maximum Speed - 2080 kph. Maximum Altitude - 15235 m..

1960 March 31 - . 16:42 GMT - . Launch Site: Rosamund Dry Lake DZ. Launch Pad: 34.7 N x 118.1 W. Launch Platform: NB-52 008. LV Family: X-15. Launch Vehicle: X-15. LV Configuration: X-15 2-8-16.
  • X-15A SAS Gains test - . Nation: USA. Agency: NASA; USAF. Apogee: 15 km (9 mi). Summary: Maximum Speed - 2156 kph. Maximum Altitude - 15653 m. 3.5 to 5G pullouts to simulate reentry..

1960 April 13 - . 17:15 GMT - . Launch Site: Rosamund Dry Lake DZ. Launch Pad: 34.7 N x 118.1 W. Launch Platform: NB-52 003. LV Family: X-15. Launch Vehicle: X-15. LV Configuration: X-15 1-4-9.
  • X-15A test - . Nation: USA. Agency: NASA; USAF. Apogee: 14 km (8 mi). Summary: Maximum Speed - 2018 kph. Maximum Altitude - 14630 m..

1960 April 19 - . 16:51 GMT - . Launch Site: Rosamund Dry Lake DZ. Launch Pad: 34.7 N x 118.1 W. Launch Platform: NB-52 003. LV Family: X-15. Launch Vehicle: X-15. LV Configuration: X-15 1-5-10.
  • X-15A test - . Nation: USA. Agency: NASA; USAF. Apogee: 18 km (11 mi). Summary: Maximum Speed - 2718 kph. Maximum Altitude - 18134 m..

1960 May 6 - . 17:53 GMT - . Launch Site: Rosamund Dry Lake DZ. Launch Pad: 34.7 N x 118.1 W. Launch Platform: NB-52 003. LV Family: X-15. Launch Vehicle: X-15. LV Configuration: X-15 1-6-11. FAILURE: Trouble shedding the ventral fin..
  • X-15A test - . Nation: USA. Agency: NASA; USAF. Apogee: 18 km (11 mi). Summary: Maximum Speed - 2336 kph. Maximum Altitude - 18574 m..

1960 May 26 - . 17:08 GMT - . Launch Site: Rosamund Dry Lake DZ. Launch Pad: 34.7 N x 118.1 W. Launch Platform: NB-52 008. LV Family: X-15. Launch Vehicle: X-15. LV Configuration: X-15 2-9-18.
  • X-15A SAS, High alpha, BCS test - . Nation: USA. Agency: NASA; USAF. Apogee: 15 km (9 mi). Summary: Maximum Speed - 2336 kph. Maximum Altitude - 15631 m. First test of reaction control system..

1960 November 15 - . 17:59 GMT - . Launch Site: Rosamund Dry Lake DZ. Launch Pad: 34.7 N x 118.1 W. Launch Platform: NB-52 003. LV Family: X-15. Launch Vehicle: X-15. LV Configuration: X-15 2-10-21.
  • X-15A XLR-99 Checkout test - . Nation: USA. Agency: NASA; USAF. Apogee: 24 km (14 mi). Summary: First flight with XLR-99 engine. Maximum Speed - 3154 kph. Maximum Altitude - 24750 m..

1960 November 22 - . 21:25 GMT - . Launch Site: Rosamund Dry Lake DZ. Launch Pad: 34.7 N x 118.1 W. Launch Platform: NB-52 003. LV Family: X-15. Launch Vehicle: X-15. LV Configuration: X-15 2-11-22.
  • X-15A XLR-99, BCS test - . Nation: USA. Agency: NASA; USAF. Apogee: 18 km (11 mi). Summary: First restart with XLR-99 engine. Maximum Speed - 2665 kph. Maximum Altitude - 18867 m..

1960 December 6 - . 23:29 GMT - . Launch Site: Rosamund Dry Lake DZ. Launch Pad: 34.7 N x 118.1 W. Launch Platform: NB-52 003. LV Family: X-15. Launch Vehicle: X-15. LV Configuration: X-15 2-12-23.
  • X-15A XLR-99, BCS test - . Nation: USA. Agency: NASA; USAF. Apogee: 16 km (9 mi). Summary: Maximum Speed - 3027 kph. Maximum Altitude - 16268 m..

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