As Jet Propulsion Laboratory It makes interesting experiments with engines destined for deep space travel.

“Xenon Ion engine”

From Appendix 6: Jet Propulsion Laboratory depends on Caltech (Technical Institute of California).

It is dedicated to the propulsion and the problems of astronautics, etc.

-In 1939 they did experiments with rocket engines for the Army Air Forces, to assist take off, etc.

-As one of the first activities appears the development of the WAC Corporal rocket. A rocket probe that was commissioned by the Ordnance Department of the US Government in 1944 .

“WAC Corporal” (PiP = DR)

From Appendix 9: It is the “Jet Propulsion Laboratory”. Important space research institution under NASA. The following rocket engine developments have been done:

-RTV-100
-RTV-500
-WAC (+ Douglas)
-PEPL-70 (+ UM)