Thor Delta E1 | IMP G
Operated by United States Air Force, the Astrophysics mission Thor Delta E1 | IMP G delivered its payload into Elliptical.
- Launch time
- Status
- FAILED
- Operator
- United States Air Force
- Mission type
- Astrophysics
- Rocket
- Thor Delta E1
- Launch site
- Vandenberg SFB, CA, USA
- Launch pad
- Space Launch Complex 2W
- Payload
- —
- Target orbit
- Elliptical

Mission timeline
- 1969-06-21T08:47:58.000ZLiftoff confirmed — Thor Delta E1 is airborne.
- Max Q — Thor Delta E1 endures peak structural stress during ascent.
- Vehicle loss reported during flight.