Even were such a labor-intensive idea not outlandish, the probable loss of the assault helicopters during practice would have canceled the mission.

Though he stole occasional glances at the vessel itself, his eyes were predominantly focused on the assault helicopter's tracking and display systems.

One then two, followed by a third of the armor-piercing rounds found their mark and the assault helicopter exploded in an enormous ball of fire.

The 516th had been a victim of an Air Force and Army dispute over control of assault helicopters.

Losing twenty men and three assault helicopters was a terrible blow.

They had just landed Russian assault helicopters in Audubon Park.

The assault helicopter can be thought of as the modern successor to the military glider.

The residents say the soldiers kicked down doors and climbed over walls at other homes while an assault helicopter circled above the neighborhood.

The raid began with a force of 10 assault helicopters.

Developed as a transport helicopter and an assault helicopter.