The Defense Department's chief weapons tester has found that the Joint Tactical Radio System's two-channel Manpack radio is "not operationally effective," according to an internal Pentagon memo obtained by InsideDefense.com. The finding is based on a Multi-service Operational Test and Evaluation (MOT&E) conducted during the Army's spring Network Integration Evaluation at White Sands Missile Range, NM, and Ft. Bliss, TX. "JTRS HMS Manpack radio is not operationally effective," Michael Gilmore, DOD's director of operational test and evaluation, wrote in...