Latitude and longitude of Castle Union
Castle Union was the code name given to one of the tests in the Operation Castle series of United States nuclear tests. It was the first test of the TX-14 thermonuclear weapon (initially the "emergency capability" EC-14), one of the first deployed U.S.
Latitude: 11° 41' 1.19" N
Longitude: 165° 24' 21.59" E