AKA: XCAL-200. Date: January 1943. Thrust: 882 N (198 lbf).
Two different engines were developed. Low thrust, proof of principle First US rocket powered aircraft flight. Also called XCAL-200.
Thrust (sl): 882 N (198 lbf). Thrust (sl): 90 kgf. Propellant Formulation: RFNA/Monoethylaniline.