STS-118 Mission Specialist Barbara R. Morgan and Commander Scott Kelly relax for a moment.

After practicing emergency egress from Launch Pad 39A, STS-118 Mission Specialist Barbara R. Morgan and Commander Scott Kelly relax for a moment. Morgan, who is making her first space flight, joined NASA's Teacher in Space program in 1985 and was selected as an astronaut in 1998. The crew is concluding the terminal countdown demonstration test. The STS-118 mission on Space Shuttle Endeavour is the 22nd flight to the International Space Station and will carry a payload including the S5 truss, a SPACEHAB module and external stowage platform 3. STS-118 is targeted for launch on Aug. 7. Photo credit: NASA/George Shelton