Akhir 03, 1432, March 08, 2011, SPA -- Space shuttle Discovery departed the International Space Station on Monday, leaving behind a new storage room, a prototype robot and tons of supplies during its 39th and final space flight. Discovery pilot Eric Boe gently pulsed the ship's steering jets to back away from the station at 7 a.m. EST (1200 GMT), completing a nine-day visit. The shuttle is due back at the Kennedy Space Center in Florida on Wednesday, Reuters reported.