Tim Kopra is all smiles prior to donning his helmet and performing the final touches of suiting-up in the International Space Station's Quest airlock.

Astronaut Tim Kopra, STS-127 mission specialist converting to Expedition 20 flight engineer,
is all smiles prior to donning his helmet and performing the final touches of suiting-up in the International Space Station's Quest airlock. He later joined astronaut Dave Wolf,
STS-127 mission specialist, for the first of five scheduled sessions of extravehicular activity, requiring four different astronauts for the outside activities.