'50s-'60s nuclear org., 3 letters
1946-'75 nuclear agcy., 3 letters
Agcy. created after the Manhattan Project, 3 letters
Agcy. established under HST, 3 letters
Agcy. once involved with fallout shelters, 3 letters
Agcy. replaced by the N.R.C., 3 letters
Agcy. spawned by the Manhattan Project, 3 letters
Agcy. succeeded by N.R.C., 3 letters
Agcy. succeeded by the N.R.C., 3 letters
Bygone nuclear agcy., 3 letters
Fed. agcy. (1946-75), 3 letters
Fed. agency from 1946 to 1975, 3 letters
Federal agcy., 1946-74, 3 letters
Former govt. agcy. formed after W.W. II, 3 letters
Former govt. agency, 3 letters
Former nuclear agcy., 3 letters
Former nuclear agency: Abbr., 3 letters
Former nuclear monitor: Abbr., 3 letters
Former nuclear overseers: Abbr., 3 letters
Former nuclear power agcy., 3 letters
Former nuclear power org., 3 letters
Former nuclear power regulator: Abbr., 3 letters
Former nuclear regulatory body: Abbr., 3 letters
Former regulatory org., 3 letters
Govt. agency founded in 1946, 3 letters
Grp. overseeing early reactors, 3 letters
HST's nuclear agency, 3 letters
Manhattan Project agcy., 3 letters
Manhattan Project org., 3 letters
McMahon Act creation: Abbr., 3 letters
N-test overseer, once, 3 letters
Nuclear advisory gp., 3 letters
Nuclear agcy. established in 1946, 3 letters
Nuclear agcy. formed under Truman, 3 letters
Nuclear agcy. till 1975, 3 letters
Nuclear agcy. under Truman, 3 letters
Nuclear agcy. until 1975, 3 letters
Nuclear age govt. org., 3 letters
Nuclear agency estab. under Truman, 3 letters
Nuclear agency till '75, 3 letters
Nuclear org. created under HST, 3 letters
Nuclear power agcy., 3 letters
Nuclear regulatory grp. 1946-74, 3 letters
Old nuclear regulatory agcy., 3 letters
Old nuclear regulatory org., 3 letters
Old nuclear watchdog: Abbr., 3 letters
Old radiation regulator: abbr., 3 letters
Org. for which Oppenheimer was a consultant, 3 letters
Org. once headed by Lewis Strauss, 3 letters
Org. Oppenheimer once oversaw, 3 letters
Org. spawned by the Manhattan Project, 3 letters
Org. that exploded first hydrogen bomb, May 21, 1956, 3 letters
Org. that set off the first hydrogen bomb, 3 letters
Original nuclear regulatory grp., 3 letters
Post-Manhattan Project agcy., 3 letters
Post-Manhattan Project org., 3 letters
Post-WWII nuclear org., 3 letters
Postwar U.S. agcy. abolished in 1975, 3 letters
Pre-1975 power agcy., 3 letters
Precurser of the NRC, 3 letters
Research gp. established under Truman, 3 letters
The NRC replaced it, 3 letters
Three Mile Isl. watchdog, 3 letters
Three Mile Island watchdog (abbr.), 3 letters
Truman's nuclear agcy., 3 letters
Nuclear-powered poet?, 10 letters
Spore clusters of rust fungi, 5 letters
Spore of a rust fungus formed in an aecium, 10 letters
Fruiting body of some rust fungi bearing chains of aeciospores, 6 letters