Robert Gray Army Airfield, located in Fort Hood, Texas, USA, is a United States Army military facility. Named in honor of Colonel Robert M. Gray, a highly decorated World War II veteran and the first American pilot to die in the Battle of Iwo Jima, it was established in 1942 and has seen continuous use since then.

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The Robert Gray Army Airfield is used to support the US Army’s III Corps, the 4th Infantry Division, the 1st Cavalry Division, and the 13th Sustainment Command. It provides access to training areas, mobilization centers, and support services. The airfield also supports a variety of special operations, such as search and rescue and air ambulance services.

The Robert Gray Army Airfield's airport code, GRK, was determined by the International Air Transport Association (IATA). The first two letters of the code represent the name of the country in which the airport is located (US), and the last two letters represent the name of the airport (GRK).

The Robert Gray Army Airfield currently has up to 8 flights per day. It is served by multiple airlines, including American Airlines, United Airlines, Delta Airlines, Alaska Airlines, and Southwest Airlines. Additionally, the airfield provides charter services to military personnel and civilians.

The Robert Gray Army Airfield serves an important role in the US Army’s activities in the region. It has provided support for a wide array of operations, including the Global War on Terror, Operation Enduring Freedom, and Operation Iraqi Freedom. It also serves as an important training area for aircraft and personnel.

The Robert Gray Army Airfield is a vital part of the US Army’s activities in the region. Its airport code, GRK, is a fitting tribute to the man whose name it bears, and the airfield serves an important role in providing the US Army access to training and mobilization centers, as well as support services. With multiple airlines serving the airport, it offers up to 8 flights per day and is an important part of the military’s operations.