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.
Marvin Davis, Sr.
Military Police – MountedLos Alamos, NM
Trinity Site
Manhattan Project VeteranMilitary VeteranTrinity Test Eyewitness
Read Marvin Davis on the Trinity Test
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's 64 wheel trailer
Jumbo after the Trinity test, 1945
Jumbo after the Trinity test, 1945
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
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
Military Police polo team at Los Alamos, 1944
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 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