georgia. it happened when nato forces went into bosnia. it's a big deal when this happens. every year the two militaries sign an agreement to do anywhere from 60 to 100 joint activities of which probably from 40 to 50 are actually done. it's a robust cooperation plan. to put it on hold is a big impact. >> do you think outing it on hold is the right move. >> >> absolutely at this point. it's one of the things the defense department can contribute to an immediate response to what russia has done. i heard the conversation earlier about whether this is an invasion or whether these are russian troops. i can tell you for sure. i served in berlin during the end of the cold war. my job was spotting russian troops and equipment. these are unquestionably russian