Atlantis touches down at NASA’s Kennedy Space Center in Cape Canaveral, Fla., after its final flight, signaling the end to 30 years of space shuttle flights.
The Space Development Agency has already awarded contracts for most of the satellites that will form the beginnings of its massive planned constellation in low-Earth orbit, and on May 26 the agency awarded a deal for the ground systems to go with it. General Dynamics Mission Systems won the contract,…