The Pentagon's cost estimate to develop and acquire the collection of systems comprising ballistic missile defenses rose by more than $11 billion over the last year, with the increase driven by Israeli cooperative programs, kill vehicle development and a new hypersonic defense demonstration. The total cost to develop and procure the Ballistic Missile Defense System is now $164.9 billion, according to the latest Selected Acquisition Report on the program, up from the $153.8 billion projected in last year's report. The...