( CNN) Russia could have substantially improved a nuclear tool storage space shelter in Kaliningrad, a delicate exclave of Russian area sandwiched in between Poland and also the Baltics, as stress in between Russia and also the West remain to increase, inning accordance with a brand-new record.

FAS stated the photos record improvements at the website back in 2016, when among 3 below ground shelters at the finding was dug deep into and also strengthened prior to it showed up to have actually been covered over in current months, “probably to return( to) functional condition quickly.”

HansM. Kristensen, the supervisor of the nuclear information job at FAS, informed in a postthat it was vague from the photos if any type of atomic tool had actually ever before been or will certainly be maintaineded at the center.