767 AST Parts and Stands service ceiling of 28

service ceiling of 28

Sikorsky CH-53 Sea Stallion helicopter model

a majestic model of a truly unique airplane

pilots of the 23rd Fighter Group

flew for the first time on July 15

767 AST Parts and Stands service ceiling of 28767 test airplane model. The Airborne Optical Adjunct (AOA) was built from the prototype 767 200. The aircraft was later renamed the Airborne Surveillance Testbed (AST). Modifications to the aircraft included a large "cupola" or hump which ran along the top of the aircraft from above the cockpit to just behind the trailing edge of the wings. Inside the cupola was a suite of infrared seekers that were used to track theater ballistic missile launches in