The Trinity Test
On July 16, 1945, in the New Mexico desert, the first atomic device was tested.
Preparations
Preparations for the July 16 Test - K. T. Bainbridge- Health and Monitoring Organization and Preparations - Louis H. Hempelmann, M. D
- Procedure for Final Assembly - K. T. Bainbridge
- Final Preparations for Rehearsals and Test - K. T. Bainbridge
Observations
- Enrico Fermi's Observation of Trinity Test
- Luis Alvarez's Observation of Trinity Test
- Edward McMillan's Observation of Trinity Test
- Phillip Morrison's Observation of Trinity Test
- Robert Serber's Observation of Trinity Test
- Victor Weisskopf's Observation of Trinity Test
Post Test Summaries
- General Groves' Report on Trinity Test
- War Department Release on New Mexico Test
Los Alamos: Beginning Of An Era 1943-1945 
Trinity by Kenneth Bainbridge (4.2 Mb pdf)
No one who saw it could forget it, a foul and awesome display.