The project was called the Manhatten Project
The Manhattan project.
Do you mean the name/codename if so its codename was "Little Boy"
The Manhatten Project.
Yes, that was its codename.
'Little Boy' was the code name for the atomic bomb that was dropped on Hiroshima during World War II. This is the first atomic bomb that was ever utilized as a weapon.
Project Manhattan.
The codename for this weapon was fat man.
The very first atomic bomb was exploded in a test in the New Mexico desert on July 16, 1945. If you'd like to look up more information about it, you can look up the codename "Trinity".
when Soviets explode first atomic bomb
Little Boy is the codename of the atomic bomb dropped on Hiroshima, Japan, on 6 August 1945. A link is provided.
The city of Hiroshima was the place where the first atomic bomb was dropped.
The Enola Gay dropped the first atomic bomb.