Thor SLV-2A Agena D | KH-4A 6
United States Air Force flew Thor SLV-2A Agena D | KH-4A 6 on a Thor SLV-2A Agena D out of Vandenberg SFB, CA, USA, placing its payload in LEO.
- Launch time
- Status
- SUCCESS
- Operator
- United States Air Force
- Mission type
- Government/Top Secret
- Rocket
- Thor SLV-2A Agena D
- Launch site
- Vandenberg SFB, CA, USA
- Launch pad
- Space Launch Complex 3W
- Payload
- —
- Target orbit
- LEO

Mission timeline
- 1964-06-04T22:59:00.000ZThor SLV-2A Agena D roars off the pad at Vandenberg SFB, CA, USA.
- The vehicle reaches Max Q, the highest aerodynamic load of the flight.
- MECO — first-stage propulsion ends after a nominal burn.
- Clean stage separation confirmed.
- The upper-stage engine lights up after separation.
- Orbit insertion confirmed — now circling in LEO.
- All mission objectives achieved.