Marvin Davis, Sr.

Military Police – MountedLos Alamos, NM

Trinity Site

Manhattan Project VeteranMilitary VeteranTrinity Test Eyewitness

Marvin Davis was a part of the Military Police at Los Alamos. He was a mounted MP at the Trinity site before, during and after the famous test. He took incredible and rare photographs of the Trinity site and Jumbo. See his gallery below for the photographs.

Arrival of the plutonium bomb core at Trinity, 1945

Preliminary explosion test with TNT at Trinity, 1945

Gadget on Trinity tower, July 15, 1945

North Guard Tower at Trinity, 1945

Jumbo transported to Ground Zero, 1945

Jumbo's 64 wheel trailer

Jumbo after the Trinity test, 1945

Ground Zero, Trinity, Aug. 1945

Tanks to collect post-Trinity test soil samples

McDonald Ranch House, Trinity 1945

Guard tower at Trinity

Abel Tavares at Trinity, 1945

Coleman, David, and Paciello at Trinity, MPs at Los Alamos

Davis on Peergo, Los Alamos 1944

Davis with Argo and Peergo, Trinity 1945

Jumbo remains at the Trinity site

Davis with Whitey the dog, Trinity 1945

Deserted house, Trinity 1945

Earl Noble Post at Ground Zero, Trinity, 1945

Felix DePaula with pet crow, Trinity 1945

Genie the horse at Trinity, 1945

Los Alamos field day, 1944

McTigret, guard post at Ground Zero, Trinity, 1945

Military Police detachment, Trinity 1945

Military Police polo team at Los Alamos, 1944

At Trinity after the test, 1945

Harold Smith and Ferd Bisher, Trinity 1945

South 10,000 meter control bunker B Point, Trinity July 1945

South Guard Tower, Trinity 1945

Trinity base camp

Trinity engineers, drivers, mechanics, and operators, 1945

WAC Jerry on GayBoy with Davis near Otowi Bridge

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