what did Volunteer Groundcrew of the Army Air Corps use in isolated areas.
No. 679 (The Duke of Connaught's) Squadron AAC: No. 679 (The Duke of Connaught's) Squadron AAC is a Helicopter Support squadron made up of the Volunteer Groundcrew of the Army Air Corps. Helicopter: A helicopter is a type of rotorcraft in which lift and thrust are supplied by rotors.
is a type of rotorcraft