our cameras were the first let inside >> find out. >> reporter: here they keep watch over america's military satellites and gps network operating in an increasingly hostile environment. >> it is a truly war fighting demand. our adversaries are fielding specific weapons systems in the domain we need to view it as such. >> reporter: the pentagon says russia and china are the chief adversaries. in november, a russian satellite targeted and blew up another russian satellite, creating a debris field. china conducted a similar test in 2007 u.s. commanders believe china has deployed a satellite with a robotic arm to reach out and grab other satellites russia has nesting satellites, loaded with offensive weapons. >> lift-off. >> reporter: the head of space force says u.s. commercial and military satellites are routinely harassed. >> whether it's jamming or harmful interference in rf spectrum, laser dazzling, cyberattacks, you know, cyber probing and cyberattacks