Vought
| United States of America
Vandenberg SFB, CA, USA June 25, 1964, 1:40 a.m.
Status: Launch Failure
Mission:
ESRS (Environmental Sciences Research Satellite, also (Research Satellite for Environmental Sciences) was a small magnetosperic research satellite built by the US Air Force Cambridge Research Lab.
McDonnell Douglas
| United States of America
Vandenberg SFB, CA, USA June 18, 1964, 4:56 a.m.
Status: Launch Successful
Mission:
The DSAP-1 (Defense Satellite Application Program Block 1) satellites series, also known as P-35, was the first series of military meteorologal satellites of the USA.