martin: all the information feeds in to the joint space operations center, j-spoc for short, at vandenbergthis is the command center for space? >> jay raymond: yes, sir. 24/7, 365 days a year maintaining... >> martin: if a u.s. satellite were attacked, lieutenant general jay raymond would use this phone to alert a chain of command leading to the white house. is an attack on an american satellite an act of war? >> hyten: that's been a line of debate for as long as i've been in this business. >> martin: if there is an attempt to attack or interfere with a u.s. satellite, who makes the decision about what we do about it? >> hyten: that would be the president of the united states. >> martin: and it's not just an anti-satellite weapon they're worried about. there are other dangers, too. >> raymond: today, we track about 23,000 objects. >> martin: how many of them are actually functioning satellites? >> raymond: roughly 1,300 of those are active satellites. the rest are debris. >> martin: junk. >> raymond: yes, sir, junk. >> explorer, this is kowalski reporting visual contact with debris. debris