Antonelli on AFT flight deck (FD) for OBSS OPS

S119-E-010712 (27 March 2009) --- Astronaut Tony Antonelli, STS-119 pilot, joins a crewmate, mostly out of frame at lower right, as the two work controls on the aft flight deck of the Earth-orbiting Space Shuttle Discovery on the spacecraft's final full day in space prior to its scheduled return on March 28.