Casper at control board

STS077-372-019 (19-29 May 1996) --- Astronaut John H. Casper, commander, holds his finger on the power kill switch on the Spacehab 4 Module aboard the Earth-orbiting Space Shuttle Endeavour. Casper and five other astronauts spent almost ten days aboard Endeavour in support of the Spacehab 4 mission and a number of other payloads.