s great amounts of energ
y. The escaping n

eutrons strike and split more atom
s, thus releasing still more neutrons a

nd energy. In a nuclear explosio
n this all occurs in a millionth o

f a second with billions of atoms bei
ng split. Project leaders decided a

test of the pluton

Explosives Camp

ium bomb was essential before it could be u

It's going to be a real blast!

sed as a weapon of w

ar. From a

list of eight sites in Calif


ornia, Texas, New Mexico and C
olorado, Trinit
y Site was chosen as th


How Much Does it Cost?e test site. The area already was controlled by the government because it was part of the Alamogordo Bombing and Gunnery Range which was established in 1942. The secluded Jornada del Muerto was perfect as it provided isolation for secrecy and safety, but was still close to Los Alamos for easy commuting back and forth. (Building the test site) In the fall of 1944 soldiers started arriving at Trinity Site to prepare for the test. Marvin Davis and his military police Sgt. Marvin Davis with police horses Argo and Peergo at basecamp. unit arrived from Los Alamos at the site on Dec. 30, 1944. The unit set up security check

points around the area and had plans to use horses to ride p