5 August 1945

Martin-Omaha B-29-45-MO Superfortress 44-86292, Enola Gay, being moved into position over the pit to load Little Boy, 5 August 1945. (U.S. Air Force)

5 August 1945: In the afternoon, the Glenn L. Martin Company B-29-45-MO Superfortress 44-86292 was towed into position over a 13-foot × 16-foot (3.9 × 4.9 meters) concrete pit on the island of Tinian in the Marshall Group. Down in that pit was the most destructive weapon of war yet devised by man: The Mark I, code named Little Boy.

Little Boy was a nuclear bomb, designed to explode with unimaginable force when two masses of highly enriched uranium were forced together at very high speed. This was a “gun-type” bomb, considered to be so simple that it was not even tested before it was used.

Several hours later, at 0245 6 August 1945, the B-29, which had been named Enola Gay, took off from North Field and headed toward Hiroshima, Japan.

Bomb Unit L-11 in the pit before loading aboard Enola Gay, 5 August 1945. (U.S. Air Force)

© 2015, Bryan R. Swopes

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