Scout B | ESRO 1B (Boreas)
Scout B | ESRO 1B (Boreas) rode a Scout B into space from Vandenberg SFB, CA, USA, deploying its payload to LEO.
- Launch time
- Status
- SUCCESS
- Operator
- European Space Research Organisation
- Mission type
- Earth Science
- Rocket
- Scout B
- Launch site
- Vandenberg SFB, CA, USA
- Launch pad
- Space Launch Complex 5
- Payload
- —
- Target orbit
- LEO

Mission timeline
- 1969-10-01T22:29:00.000ZScout B lifts off from Vandenberg SFB, CA, USA.
- Scout B passes through max aerodynamic pressure (Max Q).
- Main engine cutoff — the first stage shuts down as planned.
- Stage separation — the first stage separates cleanly.
- Second-stage engine ignites for the next phase of flight.
- Orbit insertion confirmed — the vehicle is now in LEO.
- Mission success — all objectives completed.