A U.S. Air Force and Defense Innovation Unit (DIU) solicitation in July pegged initial operational capability (IOC) of 20 Massed Modular Aircraft (MMA) in fiscal 2031, but that schedule may move up two years at the direction of Air Force Secretary Troy Meink. The 20 MMAs for IOC in fiscal 2031 "are closer to where we were until fairly recently," Air Force Lt. Gen. Chris Niemi, the service's deputy chief of staff for force modernization, told reporters at the Pentagon…