E-2C Hawkeye

This image is public domain.

Explosion

This image is public domain.

Marines

This US Marines photo is public domain.

U.S. Navy demonstration parachute team

Sept. 19, 2009- A member of the U.S. Navy demonstration parachute team, the Leap Frogs, prepares to land at the U.S. Olympic Training Center during the 2009 Union Cycliste Internationale BMX World Cup. The team jumped into the event to raise awareness about Naval Special Warfare. The Leap Frogs are based in San Diego and perform freefall parachuting demonstrations across the United States. (U.S. Navy photo by Lt. Lori Campbell/Released)

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.