At Tinian Island, in the Pacific, where mission 13 was based, Mr Ferebee and the rest of the crew trained and re-trained.

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After this stint, he moved on to become a war artist - he drew sketches of the invasions of Tinian, Saipan, and Peleliu island.

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About 12 hours before "Little Boy" was placed aboard the aircraft Enola Gay, a scientist appeared at a Quonset hut on the island of Tinian to make final adjustments.

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It was a squadron of Army Air Force bombers from the airfield on Tinian Island, across the channel, and they cast their furious vibrations down upon us as they gained altitude and made a slow banking turn in their flight toward Japan.

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