Allen Army Airfield
Delta Junction Ft Greely, United States

Allen Army Airfield
Remote Alaska military airfield serving Fort Greely.
- ›Located at Fort Greely, which hosts the Ground-based Midcourse Defense (GMD) missile interceptor system.
- ›Situated in subarctic interior Alaska, subject to extreme cold weather conditions.
- ›Primarily a U.S. Army military airfield with very limited civilian access.
- ›Delta Junction is located at the end of the Alaska Highway near the Richardson Highway junction.
- ›The airfield carries IATA code BIG, reflecting its association with Big Delta, the historic name of the area.
Allen Army Airfield (BIG) is a military airfield located at Fort Greely near Delta Junction in interior Alaska, operated by the United States Army. Situated in one of North America's most remote and extreme environments, it primarily supports military operations, training exercises, and logistics for the Fort Greely installation, home to the Ground-based Midcourse Defense missile defense system. Civilian access is highly restricted, and the airfield serves a specialized operational role rather than commercial aviation.
- Military Operations Terminal — A basic military-use facility supporting Army flight operations, logistics, and personnel movements at Fort Greely.
- Military vehicle transport on base
- Personal vehicle (limited access for authorized personnel)
- Taxi services from Delta Junction
- Kelly's Alaska Country Inn (Delta Junction)
- Quartz Lake Lodge
- Delta Junction Bed and Breakfast
On-base dining is available through military mess facilities for authorized personnel only. Delta Junction, a short drive away, offers a handful of local diners and roadside restaurants along the Alaska Highway. Options are limited given the remote location, and travellers are advised to plan meals accordingly.
- Access to Allen Army Airfield is restricted to military personnel and authorized civilians — confirm credentials and clearance well in advance.
- Interior Alaska weather is extreme; expect severe cold, ice, and limited daylight in winter months.
- Delta Junction sits at the end of the Alaska Highway — fuel up and stock supplies before venturing further into the interior.
- Wildlife including moose and bears is common in the area; exercise appropriate caution when outdoors.
AI-assisted overview, verified against public sources.
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Allen Army Airfield is a public and military use airport serving Fort Greely and located three miles (5 km) south of the central business district of Delta Junction, a city in the Southeast Fairbanks Census Area of the U.S. state of Alaska. It is owned by the United States Army, which has an agreement with the City of Delta Junction for joint use of the airfield by both military and civilian aircraft.
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