Take a 3D tour of North Korea’s nuclear test site, thanks to open source intelligence Experts suspect North Korea’s sixth nuclear test is coming soon by Rachel Becker Apr 15, 2017, 8:30am EDT Rumors have been flying around about the possibility of a North Korean nuclear test, thanks in part to activity at North Korea’s nuclear test site. If it is, this will be the sixth known nuclear test in 11 years — and a clear sign that North Korean arms development is continuing. Now, because it’s hard to get information in or out of North Korea, it’s not clear...