The future of the Next Generation Air Dominance aircraft is hanging in the balance after Air Force Chief of Staff Gen. David Allvin today appeared non-committal to the sixth-generation Lfighter program. Asked whether the high-profile platform could face cancellations or delays in the upcoming budget cycle as the Air Force deals with a financial crunch imposed by the 2023 Fiscal Responsibility Act and cascading costs following the Sentinel program’s breach of Nunn-McCardy law, Allvin said: “We’re going to have to...