Its military leader was Leslie Groves, and "Trinity"
This operation had sites at Hanford, Washington and Oak Ridge, Tennessee; 60,000 acres of the latter were bought by the Army Corps of Engineers. Its military leader was Leslie Groves, and "Trinity" was one experiment from this project conducted at Los Alamos, New Mexico, on J. Robert Oppenheimer's watch. Inspired by a letter from Einstein, who denounced its product, for 10 points, name this World War II project in which the US developed the first atomic bomb.
This operation had sites at Hanford, Washington and Oak Ridge, Tennessee; 60,000 acres of the latter were bought by the Army Corps of Engineers.
{Manhattan} Project [accept {Manhattan Engineer District} or {Manhattan District}; prompt on equivalents like “{construction} of the {atomic bomb}”]