UH-1N Twin Huey

An UH-1N Twin Huey helicopter approaches the flight deck of the amphibious assault ship USS Peleliu (LHA 5). Peleliu is deployed in the U.S. 5th Fleet area of responsibility supporting maritime security operations. (Photo: U.S. Navy photo by Mass Communication Specialist 2nd Class Dustin Kelling/Released)

UH-1Y Huey

A crew chief assigned to the Marine Medium Helicopter Squadron (HMM) 163 (REIN) prepares the UH-1Y Huey helicopter after taking on fuel aboard the amphibious assault ship USS Boxer (LHD 4). Boxer is conducting a composite training unit exercise preparing for a regularly scheduled deployment early next year. (U.S. Navy photo by Lt. j.g. Jared Apollo Burgamy/Released)

UH-1 Iroquois

Air to Air photo of Aircraft Research And Development Unit (ARDU) Iroquois helicopter over Adelaide. (Photo: Australia DoD)

UH-1 Iroquois

Air to Air photo of Aircraft Research And Development Unit (ARDU) Iroquois helicopter over Adelaide. (Photo: Australia DoD)

UH-1Y Huey

A UH-1Y Huey helicopter takes off from the amphibious assault ship USS Wasp (LHD 1). This transport helicopter, assigned to Rotary Wing Aircraft Test Squadron (HX) 21, based in Patuxent River, Md., has already been implemented in the fleet and is expected to replace the older UH-1N. The helicopter features a larger engine and two more blades than the Huey's original two, giving it more carrying capabilities. Wasp is underway conducting test flight operations and was chosen as the platform to evaluate the limits and capabilities of newer and upgraded models of aircraft. (Photo: U.S. Navy photo by Mass Communication Specialist 1st Class Rebekah Adler/Released)

UH-1 Iroquois

A Sqn 5 Avn Regt Iroquois Helicopters Rolling out from the Pick-up Zone after loading up with Officer Cadets during exercise Borneo, at Wide Bay Training Area. (Photo: Australia DoD)

UH-1 Iroquois

An Iroquois helicopter from A Squadron, Army Aviation Centre at Oakey flies over the Victorian countryside en route to the Australian International Airshow. (Photo: Australian MoD)

UH-1 Huey

Marines from 1st Marine Air Wing prepare a UH-1 Huey helicopter to be off-loaded from inside a High Speed Vessel (HSV) in preparation for Exercise Cobra Gold ‘03. Cobra Gold 03 is the 22st U.S. Pacific Command exercise conducted in Thailand demonstrating the ability of U.S. Forces to rapidly deploy and conduct Joint-combined operations with the Thai and Singaporean armed forces. (Photo: U.S. Marine Corps photo by Lance Cpl. James P. Douglas)

UH-1 Iroquois

An Iroquois helicopter from A Squadron, Army Aviation Centre at Oakey flies over the Victorian countryside en route to the Australian International Airshow. (Photo: Australia MoD)