SNECMA Atar Volant
The SNECMA Atar Volant or C.400 P1 was a French turbojet engine produced by SNECMA as part of their "Atar" series. Encased in a basic fairing which could hold fuel and remote-control equipment, the unit weighed 5,600 pounds (2,500 kg), and generated a thrust of approximately 6,200 pounds-force (27.6 kN); the Atar Volant was able to cause vertical lift, which was precisely its purpose.