Soyuz rocket

The Soyuz rocket is seen shortly after arrival to the launch pad on Monday, Sept. 28, 2009, at the Baikonur Cosmodrome in Kazakhstan. The Soyuz is scheduled to launch the crew of Expedition 21 and a spaceflight participant on Sept. 30, 2009.

Image Credit: NASA/Bill Ingalls

This photo is public domain.

President Barack Obama delivers remarks during a Sept. 11 remembrance ceremony

President Barack Obama delivers remarks during a Sept. 11 remembrance ceremony.

HH-60H Sea Hawk helicopters

PACIFIC OCEAN (Aug. 30, 2009) Two HH-60H Sea Hawk helicopters, assigned to the Indians of Helicopter Anti-Submarine Squadron (HS) 6, armed with AGM-114 Hellfire missiles, fly in formation to a live fire exercise on Oki Daito Jima range. HS-6 is a part of Carrier Air Wing Eleven (CVW-11) and is embarked aboard the aircraft carrier USS Nimitz (CVN 68).

This photo is public domain.

Runners

Runners take off from the starting line of the five kilometer event at the 3rd Annual Run for the Red on Aug. 22 in Fayetteville.

This US Army photo is public domain.

Working in a Vacuum

Discovery spacewalker Danny Olivas at work during the STS-128 mission's first spacewalk. During the six-hour, 35-minute spacewalk, Olivas and astronaut Nicole Stott, removed an empty ammonia tank from the station's truss and temporarily stowed it on the station's robotic arm.

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Edgar Germain Hilaire Degas