Ranger 7 mission. Launch of the Ranger 7 (also called Ranger B) lunar probe aboard an Atlas-Agena D rocket from Cape Canaveral on 28 July 1964. The 362-kilogram Ranger 7 was put on an impact trajectory with the Moon. Its six television cameras were activated on 31 July 1964, just 14 minutes before impact. Before crashing, Ranger 7 was able to transmit 4308 photographs of the Moon's surface. The Atlas-Agena D rocket was a development of a military intercontinental ballistic missile.