Initial operational testing of the Infantry Squad Vehicle last year revealed continued problems with the Army's new off-road troop carrier, the Pentagon's top weapons tester said in his annual report. “The ISV is not operationally suitable because of poor developmental test reliability and deficiencies in training, maintenance, safety, and human system integration identified in” initial operational test and evaluation, according to the report, which was released Jan. 27 . The Army has developed a corrective action plan to improve vehicle...