Helicopter pilots face a wide range of dangers that regular pilots do not—from hostile ground forces, environmental hazards, and the general dangers that come with an inherently un-airworthy platform.

“Bingo” means the point of no return: the call that fuel is running dry and the mission is over. The same call now threatens the attack helicopter itself. Army aviators face an existential crisis.

The US Marine Corps has fired a new long-range munition designed to extend the reach of its attack helicopters in the latest ...