15 Aug 1950: TOS USAF; assigned to the 2750th Air Base Wing (Air Materiel Command), Wright-Patterson AFB, OH. 4/51: HQ Air R& D Command, WPAFB. Redesignated ERB-45C; modified for various in flight test programs including jet engine testing, avionics upgrades and new reconnaissance equipment. 6/51: Wright Air Development Center (ARDC), WPAFB. 6/54: Loaned to Pratt and Whitney Corp., for special test use. 11/55: Redesignated JRB-45C. 4/57: Redesignated NRB-45C. 11/71: SOC. Last RB-45 in use and ferried to Offutt AFB, NE, for display with the Strategic Air Command Museum. 1997: To new museum.