An entry in the March 3 Daily Report incorrectly identified the Air Force’s acquisition chief. Darlene Costello, is the principal deputy assistant secretary of the Air Force (acquisition & logistics). We have corrected the original entry.
An April 16 explosion destroyed a building at Northrop Grumman’s Innovation Systems plant in Promontory, Utah, where the company makes solid rocket motors for the U.S. government and commercial rocket companies.