john stoeltenberg said russia may be trying to limit the access of russia and it's allies to certainpe. the comments come during a massive military exercise, intended to get russia's undivided attention. correspondent mike tobin was granted exclusive access to the war games and reports from spain. >> parachuting into spain, these paratroopers are working with nato allies, reaffirming a commitment to them. mindful of destabilization in parts of the world and aggressive moves by russia, this is a reminder that the u.s. can send a fighting force anywhere. >> we're sending a message to our friends and partners in the region that the united states is there to support them. and can go do war, will go to war with them. and also, a message to potential adversaries, whoever they might be. >> working together and leaving from fort bragg, north carolina, the army and air force called their part of the exercise, ultimate reach. seven air force c-17s, picked up more than 500 paratroopers. the paratroopers consider themselves the core of a global response force. to them the exercise is about keepi