Skip to content
79,433 pages · 13,741 images · since 1994 Browse A–Z Today in space history
Encyclopedia Astronautica The full story of spaceflight
Encyclopedia entry

UM

Launch vehicle · USA

Original archive entry. The text, images and links below are kept as they were written.

American manufacturer of rocket engines. UM, USA.

Country
USA
Engines
LGIT

Chronology

6 events

1948 April 2

13:47 GMT - . Launch Site: White Sands. Launch Complex: White Sands LC33. Launch Vehicle: V-2.
  • UM-1 Aeronomy / ionosphere / solar ultraviolet mission - . Nation: USA. Agency: UM, US Army. Apogee: 144 km (89 mi). Launched 06:40 local time. Reached 144.4 km. Carried Density, pressure, temperature, composition, cosmic and solar radiation (Naval Research Lab) experiments for Signal Corps Engineering Lab, University of Michigan..

1948 September 3

01:00 GMT - . Launch Site: White Sands. Launch Complex: White Sands LC33. Launch Vehicle: V-2.
  • UM-2 Grenades Aeronomy mission - . Nation: USA. Agency: UM, US Army. Apogee: 151 km (93 mi). Launched 18:00 local time. Reached 151 km. Carried Density, pressure, temperature, composition experiments for Signal Corps Engineering Lab, University of Michigan..

1949 April 11

22:05 GMT - . Launch Site: White Sands. Launch Complex: White Sands LC33. Launch Vehicle: V-2.
  • UM-3 Aeronomy / solar x-ray / biology mission - . Nation: USA. Agency: UM, US Army. Apogee: 85 km (52 mi). Launched 15:05 local time. Reached 87.4 km. Carried Temp, composition, solar radiation (Naval Research Lab); biological experiments for Signal Corps Engineering Lab, University of Michigan..

1949 November 18

16:03 GMT - . Launch Site: White Sands. Launch Complex: White Sands LC33. Launch Vehicle: V-2.
  • UM Sampling,Grenades Aeronomy / Chemical release mission - . Nation: USA. Agency: UM, US Army. Apogee: 124 km (77 mi). Launched 08:03 local time. Reached 124.2 km. Carried winds, composition, temperature; cosmic radiation (APL, John Hopkins); and solar radiation (Naval Research Lab) experiments for Signal Corps Engineering Lab, University of Michigan..

1961 June 1

Launch Site: Wallops Island. LV Family: Recruit. Launch Vehicle: Nike Yardbird. FAILURE: Failure.
  • Sphere Test / aeronomy mission - . Nation: USA. Agency: UM. Apogee: 10 km (6 mi).

1961 July 26

Launch Site: Wallops Island. LV Family: Recruit. Launch Vehicle: Nike Yardbird. FAILURE: Failure.
  • Sphere Test / aeronomy mission - . Nation: USA. Agency: UM. Apogee: 10 km (6 mi).