While the Army's cornerstone missile-defense program has cleared a critical design review in recent months, service officials are keeping the results of a new cost estimate, mandated by a February acquisition decision memorandum, under wraps. The Army's Integrated Air and Missile Defense program has undergone significant changes in recent years, leading to an increase in the Army's acquisition objective -- from 285 systems to 431 -- last summer. Pentagon acquisition chief Frank Kendall approved the change in a Feb. 1...
