The ACH-47A was originally known as the Armed/Armored CH-47A (or A/ACH-47A). It was officially designated ACH-47A by US Army—Attack Cargo Helicopter—and unofficially "Guns A Go-Go")....
The Boeing Vertol CH-46 Sea Knight is a medium-lift tandem rotor transport helicopter, used by the United States Marine Corps (USMC) to provide all-weather, day-or-night...
Ride a CTA 1977 Boeing-Vertol 2400-series Rapid Transit Car #2508 on the Green Line in Chicago, IL on 05-18-09. Service Provider/Operator: Chicago transit Authority