the head of space force says u.s. commercial and military satellites are routinely harassed. >> whether it's jamming or harmful interfere in the rf spectrum, laser dazzling cyberattacks, cyberprobing. >> reporter: they are monitored 24/7. more that 70% of military satellite communication come through here. everything from nuclear command control orders to presidential communication, down to a coast guard cutter, a submarine, even tactical units on the ground. >> if they don't have tactical communication when they need it, things can go seriously wrong. the space force has guardance, many with engineering degrees, training for the new battlefield. the concern, the pentagon said china is now outpacing the u.s. in launching, modernizing its own space capabilities, building a remote robotic force on the