Peering through the airlock of the space shuttle Discovery
, into the vehicle's cargo bay at Kennedy Space Center
. After launch this is the exit chamber where astronauts first emerged from their vehicle into space or made connection between the shuttle and the International Space Station
. It was through the cargo bay that Discovery initially launched the legendary Hubble Space Telescope
. The airlock was only meant for two astronauts to exit at a time, and you can see this indicated in the center platform with, "Capacity 2 Men."