Intelligence assesses if the planes are moved from that u.s. airbase to ukraine, pruden could view it as an attack by nato drawing nato into a direct conflict with russia. u.s. officials say ukraine does not need these from a military perspective because they still have most of their air force intact and the antitank and antiaircraft shoulder fired weapons are having more impact. in terms of ukraine's bile labs which have come under scrutiny tonight, those are soviet era by labs that the u.s. has been engaged since 2005 and tried to help ukraine convert the research facilities safely and use d...