Delta II 7920-10 | JPSS 1 (Joint Polar Satellite System spacecraft No. 1)
Operated by United Launch Alliance, the Earth Science mission Delta II 7920-10 | JPSS 1 (Joint Polar Satellite System spacecraft No. 1) delivered its payload into SSO.
- Launch time
- Status
- SUCCESS
- Operator
- United Launch Alliance
- Mission type
- Earth Science
- Rocket
- Delta II
- Launch site
- Vandenberg SFB, CA, USA
- Launch pad
- Space Launch Complex 2W
- Payload
- —
- Target orbit
- SSO

Mission timeline
- 2017-11-18T09:47:36.000ZLiftoff confirmed — Delta II is airborne.
- Max Q — Delta II endures peak structural stress during ascent.
- First-stage main engine cutoff (MECO) confirmed.
- The spent first stage separates from the upper stage.
- Upper stage ignites, continuing the journey toward orbit.
- The mission reaches SSO, successfully entering orbit.
- The mission concludes successfully.