getting into a military excursion in the ukraine. i think even the ukrainians would acknowledge that for us to engage russia military would not be appropriate and wouldn't be good for ukraine either. >> in crimea, the situation is extremely volatile. right now there are reports a ukrainian rear admiral is being detained by unknown assailants or questioned by crimea prosecutors. >> ukraine's naval headquarters in crimea, overrun today by pro russian forces, who cut down a gate, trashed offices and razed the russian flag. ukrainian forces packed up and left, telling journalists there