Second prototype of the Teledyne Ryan YQM-98A Compass Cope R long-endurance high-altitude strategic RPV

YQM-98A Compass Cope R photographed during its first flight, 17 July 1974

Artist’s impression of the Teledyne Ryan Model 235, designated YQM-98A in the USAF’s Compass Cope programme

Configuration of Teledyne Ryan Model 275, the proposed production version of the Compass Cope R

Teledyne Ryan YQM-98A high-altitude long-endurance strategic RPV

Currently-identifiable range of drones and RPVs designed by Teledyne Ryan, including 24 members of the Model 147 family