$428 Billion US taxpayer dollars were shown to be hard at work in the annual report for the F-35 program annual report. U.S. "Defense" Department director of operational test and evaluation Robert Behler listed a number of serious flaws with the planes in his report, including guns that don't shoot straight failing to accurately engage ground targets, cracked gun housings, and at least 873 software flaws. The laundry list of issues were described as "must-fix" items before the F-35's upcoming $22 billion Block 4 "upgrade" phase can begin. (archived)