Success
Isis 2
Earth Science
United States Air Force(USAF)Government
Thor Delta E1
LEOorbit
ISIS 2 was an ionospheric observatory instrumented with a sweep- and a fixed-frequency ionosonde, a VLF receiver, energetic and soft particle detectors, an ion mass spectrometer, an electrostatic probe, a retarding potential analyzer, a beacon transmitter, a cosmic noise experiment, and two photometers.
Thursday, April 1, 1971 at 2:57 AM
Mission details
Orbital Attempt
#1,199
USAF Mission
#545
Pad Launch
#44
Location Launch
#362
Designator
1971-024
Launch Window
NET
Apr 1, 1971, 2:57 AM
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
Mar 31, 1971, 6:57 PM
Total Launches
885
Total Landings
34
Coordinates
34.7513, -120.5202
Thor Delta E1 Specs
American orbital launch vehicle family with Thor first stage and a delta second stage.
Length
28 m
Diameter
2.44 m
Launch Mass
68 t
Thrust
1,450 kN
LEO Capacity
540 kg
GTO Capacity
150 kg
Reusable
No
Maiden Flight
1966
Fastest Turnaround
27d 1h
Total Launches
17
Successful
16
Failed
1
Consecutive Success
1
Maiden flight: Jul 1, 1966
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