... the U.S. Space Command of the U.S. Air Force.Basically, the control segment maintains the integrity of both the satellites and the data that they transmit. The space segment is composedof the ... you can’t miss it.” And the fact is they couldn’t,because on the entire planet there is no other place that shares that same address. It is yours, yours alone, and there’s no mistaking it. ... force, it was further neces-sary that the system provide worldwide coverage, and that the coveragebe available 24 hours a day. At the same time, it had to be militarily safein that the U.S. Military...