Physics PhD.

Nuclear physics at the quark level (SLAC, DESY, LAMPF, MIT/Bates, TJNAF, TRIMUF).

JPL radar science and engineering (SRTM, SMAP, Aquarius, KaRin). Mars EDL sensing (Spirit, Oppy, Phoenix, InSight, Curiosity).

Unspecified DOD contractor: electromagnetic remote sensing of Earth (DMSP, NEON) and other.