Everything you ever wanted to know about the military's $14 billion constellation of laser-firing communications satellites is in this extensive rundown from Defense Industry Daily. The Air Force is set to decide soon on whether to deploy the string of orbiters, known collectively as TSAT (for "transformational communications satellite"), right away -- or go for a stopgap measure.
TSAT, which runs on an Internet Protocol infrastructure -- and relies on lasers to communicate with one another -- sure seems like the slicker choice:
But seemingly-slick military space systems have a habit of getting majorly delayed, and costing way more than they were originally supposed to. So keep watching this space.