The U.S. Senate Armed Forces Subcommittee on Airland was informed on the progress of the B-21 program recently by Lt. Gen. Arnold Bunch Jr.
![160919-F-YZ001-003[1]](http://alert5.com/wp-content/uploads/2016/09/160919-F-YZ001-0031.jpg)
Graphic: USAF
Bunch told Senators that the bomber has completed preliminary design review and first set of software for the platform has been delivered.