This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. Air transport of persons to a place where they can receive medical or surgical care; medical evacuation.

n. A helicopter or other aircraft used for such transport.

v. To transport (a patient) to a place where medical care is available.

n. The emergency transportation, usually by air, of patients to a medical facility.

n. A vehicle used for emergency transportation of patients to a medical facility.

n. Trained personnel who care for patients during emergency transportation to a medical facility.

v. To transport patients by medevac.

n. the evacuation of persons (usually by air transportation) to a place where they can receive medical care

"Navigating with map and compass, they find their way to a half dozen stations around Fort Drum, setting up ambushes or raids, searching and questioning prisoners, and practicing calling in medevac helicopters."

evacuation   

CASEVAC   

gunship    nuclear-electric    air-sea    older-generation    heli