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The Manhattan Project Heritage Preservation Association, Inc. "Preserving, Exhibiting, Interpreting and Teaching the History of the Manhattan Project" |
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Operation Crossroads - 1946
| Operation
Crossroads was a joint operation of the U.S. Navy, the Army Air Forces,
and the Army Ground Forces, to determine the effect of the atom bomb
against various types of naval vessels. Two tests were carried out
by Joint Task Force One: Test Able - a plutonium bomb similar to Fat Man
was dropped by the B-29 "Dave's Dream" and detonated over a lagoon at
Bikini Atoll in the Pacific on July 1, 1946. Twenty-four days later,
on July 25, 1946, a second device, sitting slightly below the surface of
the water, was detonated. This was called Test Baker. The
below gallery and associated pages contain a pictorial record of Operation
Crossroads. Note: There are two ways to view the photos in this gallery. You may "click" on any of the small images below to go to a full-page image along with an expanded caption. You may also navigate forward and backward from each of the full-page images. |
Photo & Document Gallery 1 of 10
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Images 1 to 25 |
| 1 | 2 | 3 | 4 | 5 |
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| Vice Admiral W. H. P. Blandy - Commanding Officer - Joint Task Force One - Operation Crossroads - July 1946 | Maj. General Leslie Groves Present the Medal Of Merit to Members of the 'Atomic Bomb Brain Trust' | Operational Commanders of Operation Crossroads - Left to right: Seated | Moving Day: Bikini to Rongerik - On March 7, 1946, the entire population of Bikini | This cloud of spray is thrown up by the dynamite charges used to remove coral heads from the lagoon floor |
| 6 | 7 | 8 | 9 | 10 |
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| Surprise Postponement - Brig. Gen. Roger M. Ramey, Commander of the Army Air Forces Group | Steel towers were erected on neighboring islands to hold cameras and instruments to record the two atomic tests | Two of the steel towers that were erected on neighboring islands to hold cameras and instruments | Rear Adm. W. S. 'Deke' Parsons talks at a briefing - Standing in back are Col. Stafford E. Warren and Lt. Col. J. A. Derry of the Manhattan Engineer District | The veteran battleship 'New York', built in 1914, leaves New York Harbor |
| 11 | 12 | 13 | 14 | 15 |
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| The German Heavy Cruiser 'Prinz Eugen' is stripped of her armament | Foredeck of the Japanese battleship 'Nagato' | Inside a 'Green Hornet' - Interior view of the Douglas C-54 | Radio-controlled Flying Fortress - A B-17 drone, controlled by transmitters on the ground, lands at Eniwetok | "Push Button Flight" - On the deck of the carrier 'Shangri-La', a Navy F6F Hellcat drone plane |
| 16 | 17 | 18 | 19 | 20 |
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| In Washington, DC, Vice Adm. W. H. P. Blandy, Commander JTF-1, Maj. Gen. W. E. Kepner |
| 21 | 22 | 23 | 24 | 25 |
Official Test Count Commenced 5/31/03 -
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All of the photos in these galleries dealing with Operation Crossroads, with the exception of a few, were taken from the book: "Operation Crossroads - The Official Pictorial Record" by The Office of the Historian of Joint Task Force One - Published by Wm. H. Wise & Co., Inc. of New York - 1946. All photos are Joint Task Force One photographs unless otherwise indicated. |
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