While procurement figures in the Air Force's fiscal 2027 budget document gave a goal of 319 Boeing [BA] KC-46A Pegasus tankers--an increase of nearly 60 from the 263 planned in a possible extension and an increase of 140 from the original program of record of 179, the Air Force said on Saturday that the correct program of record number, including four engineering and manufacturing development planes, is 263, not 319. That budget document says that the KC-46A's unit cost is…