john hyten, the head of air force space command. >> hyten: think of what life used to be like and allhave today in warfare that wouldn't exist without space. remotely piloted aircraft-- all- weather precision guided munitions didn't exist before space. now, we can attack any target on the planet, anytime, anywhere in any weather. >> martin: what would the u.s. military do without space? >> hyten: what happens is you go back to world war ii. you go back to industrial age warfare. >> martin: and your job is to make sure there is no day without space. >> hyten: absolutely. and you should be thinking right from the beginning that this is a contested environment and... >> martin: hyten drills into his troops that u.s. satellites are no longer safe from attack. 11 countries, including iran and north korea, now have the ability to launch objects into orbit. and russia and china have been testing new anti-satellite technologies. it's a competition that i wish wasn't occurring, but it is. and if we're threatened in space, we have the right of self-defense, and we'll make sure we can execute th