Fingerprinting the bomb to keep us safe
“isotopic tracer techniques,”
https://magazine.nd.edu/news/fingerprinting-the-bomb-to-keep-us-safe/
THE SWORD IN THE CRAFT
http://www.masonicworld.com/education/files/artnov01/The%20Sword%20in%20the%20Craft.htm
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Melted sand and other material formed from the world’s first atomic bomb blast in 1945 at the Trinity test site near Alamogordo, New Mexico.
“The idea was to pull trinitite apart chemically and isotopically to show people that we can identify signatures of the bomb within this relatively simple geologic background,”
"we will know where the bomb components were mined and manufactured,"
Modern Advancements in Post-Detonation Nuclear Forensic Analysis
https://trace.tennessee.edu/cgi/viewcontent.cgi?referer=https://www.google.com/&httpsredir=1&article=1015&context=ijns
Needs sauce
Kwangmyŏngsŏng 3 was launched on 12 April 2012 on an Unha-3 rocket from the Sŏhae Satellite Center in Ch’ŏlsan County, North P’yŏngan Province. Due to an failure late in the burn of the first stage, the satellite did not reach orbit.
A second flight model of the satellite, Kwangmyŏngsŏng 3-2, was successfully launched in December 2012, but it has been tumbling since its launch and no transmission signals have ever been detected coming from the satellite despite North Korean claims to the contrary.
Kwangmyŏngsŏng 4 is a North Korean earth observation satellite built by the National Aerospace Development Administration (NADA).
Reportedly the satellite carries some earth observation equipment and has a weight of ~200 kg. Images from TV, allegedly of Kwangmyŏngsŏng 4, show a cubic body with two deployable unarticulated solar arrays and two camera appertures on the nadir side.
Kwangmyŏngsŏng 4 launched on 7 February 2016 on an Unha-3 rocket from the Sŏhae Satellite Center in Ch’ŏlsan County, North P’yŏngan Province. It entered a sun-synchronous orbit of 465 km × 501 km with an inclination of 97.5°. No signals have been detected from the satellites and ground observations show, that it was initially tumbling. An analysis by Bob Christy suggests a significant shortfall in 3rd stage performance of the Unha-3 (Kwangmyŏngsŏng) launch vehicle.