Moscow says facilities temporarily unavailable for New START treaty inspections, since Russian officials cannot get to US due to sanctions, COVID

Aversion to arming human rights violators often trumped by political expediency; only new legislation can keep Israeli firms from selling wares to bad actors, activists say

US National Security Adviser Robert O'Brien urges Russians to rethink stance 'before a costly arms race ensues'

Apparent launch of projectile from orbiter viewed with deep suspicion by Pentagon and analysts, though Moscow claims vehicle was simply maneuvering to inspect satellite

A fierce critic of the 2015 Iran nuclear deal, the senior INSS think tank fellow is survived by her husband and two children

But alliance chief also places blame for demise of INF treaty on Moscow, expresses support for Washington

US to test new missile that had been banned under INF arms control treaty, Pompeo blames Russia for violating agreement for years; Moscow urges moratorium

Accord regulates international trade in conventional weapons, from small arms to battle tanks, combat aircraft and warships; critics say move will embolden terrorists