to those who need it most. whether investigators in paris or soldiers on the front lines. >> i don't think there's a single american troop in harm's way that we are not watching over. >> for every u.s. military unit deployed in harm's way, one or more guardian angels in the sky is watching. how quickly can you warn a war fighter on the ground if you see something threatening him or her? >> we talk near realtime and it is near realtime. >> warning, for instance, of an ied or ambush up ahead. i'm walking down a road in iraq and you see somebody approaching, you can communicate immediately? >> we can get information to units. we can get it to tactical vehicles as well. >> to disable satellite, sophisticated adversaries, like china and russia, may use missiles and lasers. but isis operatives use a much simpler way to circumvent spy satellites. they disappear completely. >> instead of communicating