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Trinity Site
How to Get There: Directions to the site for the biannual open houses
Trinity Site Map
Trinity Site History: A copy of the brochure given to site visitors
Radiation at Ground Zero: Just how radioactive is the site
Einstein´s Letter to FDR: A warning about a possible new bomb
Trinity Evacuation Report by Major Palmer
Ralph Smith´s eyewitness account of the Trinity trip to watch blast
Victorio Peak Stories
What´s Up at White Sands
White Sands History
Range Map
Range Museum
White Sands Missile Range Clipart
Trinity Site 
WSMR Public > Public Affairs > Trinity Site

Trinity TestOn July 16, 1945 the world changed with the explosion of the first atomic bomb. The explosion took place at Trinity Site which is on what is now White Sands Missile Range. Trinity is a national historic landmark which is currently open to the public once a year. The following links will provide you with information on the history of the site, how to get there and some of the historic images.


Next Open House is April 5, 2014


The Trinity Site Open House scheduled for Oct.5, 2013, is canceled.  The next Trinity Site Open House will be April 5, 2014.

Due to current fiscal contraints within the Department of Defense, WSMR must reduce the frequency of the Trinity Site Open House from twice to once a year.  The site will now only be open annually on the first Saturday of April.

For further information, contact the WSMR Public Affairs Office at 575-678-1134.




Last modified on: 6/17/2013 10:19 AM 
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