U.S. Army AH-64D Apache Longbow attack helicopter assigned to 1st Battalion, 25th Aviation Regiment Attack Reconnaissance Battalion (ARB) in flight over Fort Wainwright, Alaska, April 14, 2019.

Apaches in Alaska require the use of helicopter skis that displace the aircraft weight, preventing the aircraft from rolling over or getting stuck during a muskeg landing. (U.S. Army photo by CW2 Cameron Roxberry)

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