The Defense Department has morphed its controversial Air-Sea Battle concept into a new Joint Concept for Access and Maneuver in the Global Commons (JAM-GC), according to a new Joint Staff memo, which follows concerns voiced by defense officials and analysts that ASB was too limited in its scope and failed to yield joint interoperability. "The Joint Staff J-7 directorate will monitor and support development of JAM-GC," according to the Jan. 8 memo signed by Air Force Lt. Gen. David Goldfein,...