Nuclear weapons testing

A causeway being built between two of the islands in the Eniwetok Atoll as part of the preparation for the experimental tests of the atom bomb.

Civilian engineers working on the base of a tower from which an atom bomb was exploded during the experimental tests at Eniwetok in the spring of 1948.

Cement instrument testing cubes are build near the detonation point of an atom bomb. These cubes or "igloos" will hold recording instruments. The man is unidentified.

Atomic bomb explosion of one of the tests made at the Eniwetok Proving Grounds in the spring of 1948.

A dispersing atom cloud after one of the experimental tests at the Eniwetok Proving Grounds.

Men smoothing out the wet sand and cement on one of the islands at Eniwetok in preparation for the experimental tests.

Prior to the experimental tests at Eniwetok, palm trees were removed from some of the islands within the atoll by bulldozers and crane. The palm trees obstructed the view from scientific outposts.

Fireball and shockwave of an atomic bomb explosion, during the tests held at Eniwetok.

Burst of an atom bomb during the experimental tests at Eniwetok.

The fireball of an atomic bomb explosion during the experimental tests at Eniwetok thrusts upward causing a condensation ring formation.