The Pentagon is planning to hold a series of operational assessments for the Joint Regional Security Stacks as early as this fall in support of fielding, according to a Defense Department spokesman. The Joint Regional Security Stack project management office, in coordination with the Joint Interoperability Test Command and the military departments, "is conducting a series of lab-based exercises, operational rehearsals and assessments" that started in December 2015, DOD spokesman Lt. Col. James B. Brindle said in a Sept. 14...