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Paratroopers from Chosen Company of the 3rd Battalion (Airborne), 509th Infantry board a waiting CH-47 Chinook helicopter as they begin a helicopter assault mission at Combat Outpost Herrera in Afghanistan's Paktiya Province, July 17, 2012. Reuters
A gunner of an U.S Army Chinook helicopter looks out while flying over Kandahar province, southern Afghanistan May 22, 2012. Shamil Zhumatov/Reuters
A U.S. Army soldier of the C Company 3/82 Dustoff MEDEVAC performs a system check on a helicopter at the beginning of his shift in Logar province, eastern Afghanistan, May 16, 2012. Danish Siddiqui/Reuters
A Cobra helicopter gunship (l.) and UH-1 Huey search for insurgents in this file image from June 24, 2004. An AH-1W "Cobra" and a UH-1Y "Huey," conducting routine training operations, collided over a training range in Arizona on February 22, 2012 killing seven Marines, the Marines said on February 23. Bob Strong/Reuters/File
Britain's Prince William, a search and rescue co-pilot, is seen at the front of a Sea King helicopter at the Search and Rescue base, RAF Valley, Anglesey, Wales, on Jan. 22. Search and Rescue Photographer Faye Storer/AP/File
A Blackhawk helicopter prepares to drop sandbags in an effort to dam off part of the marsh on Elmer's Island in Grand Isle, La., after oil giant BP PLC's oil rig exploded on April 20, 2010, in the Gulf of Mexico. Alex Brandon/AP/File
First Lt. Vernice Armour of Memphis, Tenn., heads back to the hangar after performing an engine wash on her AH-1W Super Cobra helicopter at an air base in the Gulf region in 2003. In 2002, Ms. Armour, a pilot with the HMLA 169 out of Camp Pendelton, Calif., became the first African-American female Cobra pilot in the US Marine Corps. Julie Jacobson/AP/File
The US Marine Corps MV-22 Osprey, a tiltrotor plane that flies like a helicopter and an airplane, made its debut in Iraq this 2007. USMC/File
A CH-47 Chinook helicopter lifts a large howitzer to Forward Operating Base Shank in the Logar province of western Afghanistan in 2009. Sgt. Amber Robinson, HO/ISAF/AP/File
CH-46E Sea Knight helicopters assigned to Marine Medium Helicopter Squadron (HMM) 265 depart from Marine Corps Air Station Futenma in Okinawa for Naval Air Facility Atsugi on mainland Japan to provide assistance on March 12 after an 8.9 magnitude earthquake and a tsunami struck Japan. Lance Cpl. Dengrier Baez/US Marine Corps/AP
Technicians work on a MI-8 helicopter as the sun rises at Kandahar air base, southern Afghanistan, in 2010. Baz Ratner/Reuters/File
An AH-64D Apache attack helicopter pilot from 1st Air Cavalry Brigade, 1st Cavalry Division, fires a Hydra aerial folding-fin rocket, producing a blast of smoke and fire, while conducting a gunnery on the outskirts of Baghdad in 2009. Chief Warrant Officer 2 Anthony Bailey/US Army/Reuters/File
Soldiers from the 34th Iraqi Army Brigade, 9th IA Division, take defensive positions after being air inserted into a simulated battlefield by an MI-17 Hip helicopter from the Iraqi air force in Baghad in 2009. Sgt. Travis Zielinski/US Army/Reuters/File
Spain's Crown Prince Felipe (c.) points at a Eurocopter AS532 Cougar helicopter as he visits the Emergency Military Unit at Torrejon de Ardoz military airbase in Torrejon de Ardoz, outside Madrid, on March 23. The Emergency Military Unit, which is a branch of the Spanish Armed Forces, provides disaster relief in Spain. Susana Vera/Reuters/File
A US Marine Corps CH-53E Super Stallion transport helicopter hovers above the deck of the USS Kearsarge amphibious assault ship near Santa Marta, Colombia, in 2008. Fredy Builes/Reuters/File
An RAF AW101 Merlin Mk3 helicopter and an Italian Air Force KC-130J tanker conduct aerial refueling tests. Agusta Westland North America/PRNewsFoto/File
A Georgian army helicopter flies over tanks during military exercises at the Vaziani military base outside Tbilisi, Georgia, on April 30. Irakli Gedenidze, Presidential Press Service/AP
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A Coast Guard officer went missing for three months before returning home. He now faces three charges: desertion, wrongful use of a controlled substance and causing the Coast Guard to search for him without need.
A veteran rescue swimmer has been charged with desertion after he went missing for three months and triggered a massive search, the Coast Guard said Wednesday.
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