in 1944 , major general leslie r. groves , jr. , director of the manhattan project , sent Sending major arthur v. peterson to brief general dwight d. eisenhower and his senior staff officers at the supreme headquarters allied expeditionary force ( shaef ) .

during the second world war , britain commenced Process_start a nuclear weapons project , known as tube alloys , but the 1943 quebec agreement merged Cause_to_amalgamate it with the american manhattan project .

they were conducted Action by joint army/navy task force one , headed by vice admiral william h. p. blandy rather than by the manhattan project , which had developed Coming_to_be nuclear weapons during world war ii .

by august 1945 , the allies ' manhattan project had produced Manufacturing two types of atomic bombs , and the 509th composite group Come_together of the united states army air forces ( usaaf ) was equipped Supply with the specialized Education_teaching silverplate version of the boeing b-29 superfortress that could deliver Military_operation them from tinian in the mariana islands .

at the north end Process_end of the park there are two overlooks with views of the george washington bridge , the hudson river , and the skyline of upper manhattan .