Inside the Pentagon highlights

Here are some must-reads from this week's edition of Inside the Pentagon:

1. The Defense Department asserts it has identified $9.2 billion in cost savings between fiscal year 2015 and FY-19 stemming from a variety of efficiency initiatives, but the Government Accountability Office says DOD's figures are unreliable.

Full story: Pentagon touts savings from efficiency initiatives, but watchdog sees black box

2. The Missile Defense Agency is chartering multiple reviews of the new acquisition strategy for the Ground-based Midcourse Defense system, as officials plan to shift from an industry-led approach to having the agency take the role of lead integrator.

Full story: MDA will charter multiple reviews of new GMD acquisition strategy

3. As lawmakers direct the Pentagon to again pursue a space-based sensor layer for missile defense, a top general says developing such a system should not be expensive despite cost concerns quashing similar efforts in the past.

Full story: STRATCOM chief says 'affordable' options exist for space-based sensor layer