CNN Documented July 19, 2014 23:40:00
Trained afghans on missiles. we had to simplify the weapon to get a lock on. that's an uncomplicated weapon. you can imagine what it is like. you have to have constant maintenance on this equipment. you need to train people. it is not a question of pushing some of the weapons across the border and hoping they figure out how to use them. you actually would have to have russian specialists on the ground in eastern ukraine. i don't think we will get conclusive proof of that there is a preponderance of evidence. >> at a minimum u.s. officials say it is working theory at weapons system came across ...