Air-launched rocket drop zone known to have been used for 34 launches from 1961 to 1967, reaching up to 75 kilometers altitude.

• RW08/26 - Latitude: 37.8700 deg. Longitude: -117.0900 deg.

• RW18/36 - Latitude: 37.8700 deg. Longitude: -117.0900 deg.

1961 May 25 - 20:16 GMT - Launch Vehicle: X-15. X-15 2-16-31 X-15A Mach 5, SAS, Aero test Agency: NASA/USAF. Apogee: 32 km (19 mi). Maximum Speed - 5321 kph. Maximum Altitude - 32850 m.

1961 June 23 - 22:00 GMT - Launch Vehicle: X-15. X-15 2-17-33 X-15A Mach 5, Aerodynamics, Stability test Agency: NASA/USAF. Apogee: 32 km (19 mi). Maximum Speed - 5797 kph. Maximum Altitude - 32830 m. Lost cabin pressure.

1961 September 12 - 22:40 GMT - Launch Vehicle: X-15. X-15 2-18-34 X-15A Mach 5, Aerodynamics, Stability test Agency: NASA/USAF. Apogee: 34 km (21 mi). Maximum Speed - 5821 kph. Maximum Altitude - 34840 m. Smoke in cockpit due to scorching paint.

1961 October 11 - 20:20 GMT - Launch Vehicle: X-15. X-15 2-20-36 FAILURE: Left windshield cracks. X-15A Alt, Aero, Low q test Agency: NASA/USAF. Apogee: 66 km (41 mi). Outer panel of left windshield cracked. Maximum Speed - 5868 kph. Maximum Altitude - 66150 m.

1961 October 17 - 18:57 GMT - Launch Vehicle: X-15. X-15 1-24-40 X-15A Mach 5, Aero, Stab test Agency: NASA/USAF. Apogee: 33 km (20 mi). Maximum Speed - 6275 kph. Maximum Altitude - 33100 m.

1961 November 9 - 17:57 GMT - Launch Vehicle: X-15. X-15 2-21-37 FAILURE: Right windshield cracks. X-15A Mach 6, Aero, Stab test Agency: NASA/USAF. Apogee: 31 km (19 mi). Design speed achieved. Outer right windshield shattered. Maximum Speed - 6586 kph. Maximum Altitude - 30950 m.

1962 January 10 - 20:28 GMT - Launch Vehicle: X-15. X-15 1-25-44 FAILURE: Emergency landing at Mud Lake. X-15A High alpha, Aero test Agency: NASA/USAF. Apogee: 13 km (8 mi). Emergency landing on Mud Lake after engine failed to light. Maximum Speed - 1038 kph. Maximum Altitude - 13,640 m.

1962 January 17 - 20:00 GMT - Launch Vehicle: X-15. X-15 3-2-3 X-15A MH-96. Mach 5 test Agency: NASA/USAF. Apogee: 40 km (24 mi). Maximum Speed - 6058 kph. Maximum Altitude - 40690 m.

1962 April 19 - 18:02 GMT - Launch Vehicle: X-15. X-15 1-26-46 X-15A ASAS, alpha 20, M=5 test Agency: NASA/USAF. Apogee: 46 km (28 mi). Maximum Speed - 6220 kph. Maximum Altitude - 46940 m.

1962 April 20 - 19:26 GMT - Launch Vehicle: X-15. X-15 3-4-8 X-15A MH-96, M=5 test Agency: NASA/USAF. Apogee: 63 km (39 mi). Maximum Speed - 6097 kph. Maximum Altitude - 63250 m.

1962 April 30 - 18:23 GMT - Launch Vehicle: X-15. X-15 1-27-48 X-15A Alt, Low q, Aero test Agency: NASA/USAF. Apogee: 75 km (46 mi). Design altitude flight. Maximum Speed - 5614 kph. Maximum Altitude - 75190 m.

1962 June 27 - 21:08 GMT - Launch Vehicle: X-15. X-15 1-30-51 X-15A High alpha, Mach 6 test Agency: NASA/USAF. Apogee: 37 km (22 mi). Unofficial world speed record. Maximum Speed - 6603 kph. Maximum Altitude - 37700 m.

1962 July 16 - 22:09 GMT - Launch Vehicle: X-15. X-15 1-31-52 FAILURE: Power trips. X-15A Notch/ASAS/Aero drag test Agency: NASA/USAF. Apogee: 32 km (19 mi). Maximum Speed - 5911 kph. Maximum Altitude - 32670 m.

1962 July 26 - 19:22 GMT - Launch Vehicle: X-15. X-15 1-32-53 X-15A Aero stab. and drag test Agency: NASA/USAF. Apogee: 30 km (18 mi). Maximum Speed - 6418 kph. Maximum Altitude - 30150 m. Roller coaster descent to simulate emergency reentry.

1962 August 2 - 17:56 GMT - Launch Vehicle: X-15. X-15 3-8-16 X-15A MH-96 fixed gain test Agency: NASA/USAF. Apogee: 44 km (27 mi). Maximum Speed - 5532 kph. Maximum Altitude - 44040 m.

1962 October 23 - 19:30 GMT - Launch Vehicle: X-15. X-15 3-11-20 X-15A VO Stability test Agency: NASA/USAF. Apogee: 41 km (25 mi). Maximum Speed - 6056 kph. Maximum Altitude - 41000 m.

1962 November 9 - 18:23 GMT - Launch Vehicle: X-15. X-15 2-31-52 FAILURE: Engine failure. Crash landing on Mud Lake. X-15A VO Stab, Bound.Layer test Agency: NASA/USAF. Apogee: 16 km (9 mi). Engine only produced 35% power. Emergency landing at Mud Lake. Aircraft seriously damaged when gear failed. McKay injured. Maximum Speed - 1640 kph. Maximum Altitude - 16450 m.

1962 December 14 - 18:44 GMT - Launch Vehicle: X-15. X-15 3-12-22 X-15A VO Stab, UVP Test/Ultraviolet Astronomy mission Agency: NASA/USAF. Apogee: 43 km (26 mi). Maximum Speed - 6021 kph. Maximum Altitude - 43100 m.

1962 December 20 - 19:25 GMT - Launch Vehicle: X-15. X-15 3-13-23 X-15A VO Stab, MH-96 test Agency: NASA/USAF. Apogee: 48 km (29 mi). Maximum Speed - 6103 kph. Maximum Altitude - 48900 m.

1963 May 2 - 17:59 GMT - Launch Vehicle: X-15. X-15 3-16-26 X-15A APU,UVP,IR,flow Test/Ultraviolet Astronomy/Technolgy mission Agency: NASA/USAF. Apogee: 63 km (39 mi). Maximum Speed - 5612 kph. Maximum Altitude - 63820 m. Carried earth background radiation instrument in support of Midas reconnsat development.

1963 July 18 - 18:07 GMT - Launch Vehicle: X-15. X-15 1-38-61 X-15A VO Stability test Agency: NASA/USAF. Apogee: 31 km (19 mi). Maximum Speed - 6315 kph. Maximum Altitude - 31940 m.

1964 January 8 - 20:10 GMT - Launch Vehicle: X-15. X-15 1-43-69 FAILURE: Inertial instruments failure. X-15A SAS Off Stability test Agency: NASA/USAF. Apogee: 42 km (26 mi). Maximum Speed - 5818 kph. Maximum Altitude - 42642 m.

1964 September 29 - 21:00 GMT - Launch Vehicle: X-15. X-15 2-34-57 FAILURE: Nose gear scoop door causes handling difficulties. X-15A-2 Stab.,Star tracker test Agency: NASA/USAF. Apogee: 29 km (18 mi). Maximum Speed - 5699 kph. Maximum Altitude - 29809 m.

1965 February 17 - 18:44 GMT - Launch Vehicle: X-15. X-15 2-36-63 FAILURE: Landing skid extends at Mach 4.3. X-15A-2 Stability test Agency: NASA/USAF. Apogee: 29 km (18 mi). Maximum Speed - 5649 kph. Maximum Altitude - 28986 m. Right main landing gear extended at Mach 4.1; normal landing.

1965 May 18 - 17:56 GMT - Launch Vehicle: X-15. X-15 2-38-66 X-15A-2 Stab, landing, ST test Agency: NASA/USAF. Apogee: 31 km (19 mi). Maximum Speed - 5697 kph. Maximum Altitude - 31120 m.

1965 May 25 - 18:12 GMT - Launch Vehicle: X-15. X-15 1-54-88 X-15A IFDS/MIT/RAS modification technology / test Agency: NASA/USAF. Apogee: 54 km (33 mi). Maximum Speed - 5100 kph. Maximum Altitude - 54803 m.

1966 May 18 - 18:24 GMT - Launch Vehicle: X-15. X-15 2-44-79 X-15A-2 V-On Stab test Agency: NASA/USAF. Apogee: 30 km (18 mi). Maximum Speed - 5936 kph. Maximum Altitude - 30170 m.

1966 July 1 - 19:02 GMT - Launch Vehicle: X-15. X-15 2-45-81 FAILURE: Erroneous failure indication results in emergency landing at Mud Lake. X-15A-2 External Tank test Agency: NASA/USAF. Apogee: 13 km (8 mi). First flight with fueled external tanks. Engine shutdown at 34.6 seconds due to fuel flow anomalies. Maximum Speed - 1646 kph. Maximum Altitude - 13720 m.

1966 July 12 - 19:32 GMT - Launch Vehicle: X-15. X-15 1-64-107 X-15A Checkout, Systems test Agency: NASA/USAF. Apogee: 39 km (24 mi). Maximum Speed - 5876 kph. Maximum Altitude - 39620 m.

1966 August 4 - 17:54 GMT - Launch Vehicle: X-15. X-15 3-53-79 X-15A Heat Tran,BLN,OBE Test/Technology mission Agency: NASA/USAF. Apogee: 40 km (24 mi). Maximum Speed - 6376 kph. Maximum Altitude - 40450 m.

1966 August 30 - 17:51 GMT - Launch Vehicle: X-15. X-15 2-49-86 FAILURE: SAS system drops out repeatedly, hydrogen peroxide fire in ventral fin. X-15A-2 V-On,Maurer,TPS Test/Technology/Ultraviolet Astronomy mission Agency: NASA/USAF. Apogee: 31 km (19 mi). Maximum Speed - 5701 kph. Maximum Altitude - 30540 m.

1966 November 18 - 21:24 GMT - Launch Vehicle: X-15. X-15 2-50-89 X-15A-2 ET/TPS/Maurer/Mach 6 Test/Ultraviolet Astronomy mission Agency: NASA/USAF. Apogee: 30 km (18 mi). X-15 Flight 175 (ET/TPS/Maurer/Mach 6)

1967 March 22 - 17:52 GMT - Launch Vehicle: X-15. X-15 1-70-119 FAILURE: Cockpit pressure problems. X-15A Stab./Loads/ASAS test Agency: NASA/USAF. Apogee: 40 km (24 mi). Maximum Speed - 6150 kph. Maximum Altitude - 40570 m. Inertial system failed after peak altitude; cabin pressurization lost during descent.