The Pentagon's top weapons buyer this week ordered the Air Force to continue funding a program that provides badly needed new engines to the E-8 Joint Surveillance Targeting and Attack Radar System. On Sept. 30, Pentagon acquisition czar Ashton Carter signed an acquisition decision memorandum directing the Air Force to "continue the JSTARS re-engining System Design and Development phase, including the development, flight testing and production of the initial increment of" new engines for the spy planes. A day later,...