The Joint Strike Fighter program office is mindful of the potential risks in shifting test points within its planned test program and believes it is making progress on a number of troublesome F-35 items, including the carrier variant's tailhook, the program's logistics system, future software blocks and the next-generation helmet to be used on all three versions of the jet. In a Jan. 24 interview at the F-35 joint program office in Arlington, VA, Rear Adm. Randy Mahr, the program's...