Success
KH-4B 10
Government/Top Secret
United States Air Force(USAF)Government
Thorad SLV-2H Agena D
LEOorbit
The KH-4B (Keyhole-4B) was sixth optical reconnaissance satellite version in the Corona-program.
Wednesday, May 20, 1970 at 9:35 PM
Mission details
Orbital Attempt
#1,088
USAF Mission
#521
Pad Launch
#40
Location Launch
#347
Designator
1970-040
Launch Window
NET
May 20, 1970, 9:35 PM
Schedule Changes
1 update
Vandenberg SFB, CA, USA
Vandenberg Space Force Base is a United States Space Force Base in Santa Barbara County, California. Established in 1941, Vandenberg Space Force Base is a space launch base, launching spacecraft from the Western Range, and also performs missile testing. The United States Space Force's Space Launch Delta 30 serves as the host delta for the base, equivalent to an Air Force air base wing. In addition to its military space launch mission, Vandenberg Space Force Base also hosts space launches for civil and commercial space entities, such as NASA and SpaceX.
Timezone
America/Los_Angeles
Local Launch Time
May 20, 1970, 2:35 PM
Total Launches
885
Total Landings
34
Coordinates
34.7513, -120.5202
Thorad SLV-2H Agena D Specs
Thor-Agena was a series of orbital launch vehicles. The rockets used Thor first stages and Agena second stages. They are thus cousins of the more-famous Thor-Deltas, which founded the Delta rocket family.
Length
34 m
Diameter
2.44 m
Launch Mass
88 t
Thrust
1,571 kN
Reusable
No
Maiden Flight
1969
Fastest Turnaround
1mo 5d
Total Launches
13
Successful
12
Failed
1
Consecutive Success
5
Maiden flight: Jun 5, 1969
United States Air Force
The United States Air Force (USAF) is the air service branch of the United States Armed Forces, and is one of the eight uniformed services of the United States. Originally created on 1 August 1907, as a part of the United States Army Signal Corps, the USAF was established as a separate branch of the United States Armed Forces in 1947 with the enactment of the National Security Act of 1947.
Founded
1947
Administrator
Commander-in-Chief: President of the US
Total Launches
1,078
Successful
972
Failed
106
Pending
0
Consecutive Success
68