Acting Pentagon acquisition chief Stacy Cummings told lawmakers this week the Defense Department wants to focus on "modernizing" the F-35 Joint Strike Fighter, rather than accelerate production of the aircraft, which has become the target of renewed congressional criticism. "The department currently prioritizes modernization over accelerating production and delivering an aircraft that maintains dominance across its service life has always been the focus of the program," she told the Senate Armed Services readiness subcommittee during an April 28 hearing. The...