View of the SIR-B antenna being deployed during STS 41-G

View of the SIR-B antenna being deployed during STS 41-G. The Challenger's payload bay is open and the remote manipulator system (RMS) arm is in the stowed position at the right of the view.

ANTENNASCHALLENGER ORBITER ONBOARD ACTIVITIESSHUTTLE IMAGING RADARREMOTE MANIPULATOR SYSTEMSPACE SHUTTLE MISSION 41-G SPACEBORNE EXPERIMENTS