Vietnam - military
The CH-47 Chinook helicopter is a twin-engine, tandem rotor, cargo helicopter. The Chinook helicopter's primary missions are movement of ammunition, repair parts, petroleum and tactical movement of artillery, troops, and special weapons on the battlefield.

The CH-47 Chinook helicopter is a twin-engine, tandem rotor, cargo helicopter. The Chinook helicopter's primary missions are movement of ammunition, repair parts, petroleum and tactical movement of artillery, troops, and special weapons on the battlefield.