Photo: Joel Kowsky · Public domain (US government)

Atlas V 431 | INMARSAT 4 F1

Success Lockheed Martin, Atlas V 431

Mission

Communications · GSTO

Heaviest single payload to geosynchronous transfer orbit to that date. The satellite was to provide L-band mobile communications and wideband data transmission for Inmarsat's global network.

Remind me

Before liftoff
Also notify me of

If the launch moves, your reminders move with it, and at the time of your first reminder we tell you the new date.