S66-24482 (16 March 1966) --- An Agena Target Docking Vehicle atop an Atlas rocket lifts off from Launch Complex 14 at Cape Kennedy at 10 a.m., March 16, 1966 just prior to the Gemini-8 liftoff at nearby Launch Complex 19. The Agena served as a rendezvous and docking vehicle for the Gemini-8 spacecraft. A chase plane leaves a contrail in the background. Photo credit: NASA