Chief Roy Terry's Operation, July 25, 1971. Page from a sketchbook depicts rescue tank standing in the center of the scene. Tunneled mound to the right of it. Launch pad with Apollo 15 on the left in the distance. Long loose lines in the foreground, clouds in the sky. Text in the right hand corner reads, "Chief Roy Terry's operation, Astronaut rescue team, Apollo 15, July 25, 1971."