During a sortie mission

U.S. Air Force Capt. John Wicker prepares to connect to a KC-10 Stratotanker aircraft during a sortie mission over South Carolina April 27, 2010. Aircrew members from Joint Base Charleston conduct aerial training missions periodically to practice air delivery, refueling and low-level tactical maneuvers. Wicker is a pilot with the 17th Airlift Squadron. (DoD photo by Staff Sgt. Angelita Lawrence, U.S. Air Force/Released)

Skimming system skims oil from the Gulf

A high-volume skimming system skims oil from the Gulf of Mexico near Venice, La., April 28, 2010. Approximately 76 vessels are responding to the Deepwater Horizon drilling rig incident. (DoD photo by Petty Officer 2nd Class Prentice Danner, U.S. Coast Guard/Released)

Helicopter in-flight refueling exercise

Flight deck personnel aboard the guided-missile destroyer USS Laboon (DDG 58) rig a fuel line for an SH-60B Seahawk helicopter assigned to Helicopter Anti-Submarine Squadron 46 during a helicopter in-flight refueling exercise while under way in the Atlantic Ocean April 25, 2010. Laboon is scheduled to conduct follow-on theater security cooperation port visits in the U.S. 6th Fleet area of responsibility following their participation in the United Kingdom-led exercise Joint Warrior 10-1. (DoD photo by Mass Communication Specialist 1st Class Darius Jackson, U.S. Navy/Released)

Inspects a skiff in the Gulf of Aden

The visit, board, search and seizure team assigned to the amphibious dock landing ship USS Ashland (LSD 48) inspects a skiff in the Gulf of Aden April 27, 2010, for suspected pirate activity. (DoD photo by Mass Communication Specialist 2nd Class Jason R. Zalasky, U.S. Navy/Released)

Facebook’s director for online operations, talk to employees

Deputy Secretary of Defense William J. Lynn III and former U.S. Marine Don Faul, Facebook’s director for online operations, talk to employees at the website’s headquarters in Silicon Valley, Calif., April 28, 2010. (DoD by Master Sgt. Jerry Morrison, U.S. Air Force/Released)

Battle training in Rota, Spain

U.S. Marine Corps Lance Cpl. Drew Van Hook, assigned to Fleet Antiterrorism Security Team (FAST) Company Europe, instructs members of a Moroccan maritime interdiction operations team on basic close-quarters battle training in Rota, Spain, April 27, 2010, in preparation for exercise Phoenix Express 2010. The goals of the exercise are to increase the FAST unit core capabilities of the participating countries and highlight common safety and security concerns in the maritime environment. (DoD photo by Mass Communication Specialist 1st Class Paul Cage, U.S. Navy/Released)

Returning to Joint Base Pearl Harbor

U.S. Sailors assigned to the guided-missile destroyer USS Hopper (DDG 70) disembark the ship to greet their families upon returning to Joint Base Pearl Harbor-Hickam in Hawaii April 23, 2010. The ship, which departed the base Sept. 14, 2009, on an independent deployment to the U.S. 5th and 7th Fleets areas of responsibility, is returning stateside following the seven-month deployment. (DoD photo by Mass Communication Specialist 2nd Class Robert Stirrup, U.S. Navy/Released)