Pub. L. 116-283, div. A, tit. I, subtit. D, sec. 137 (as amended)
F-35 AIRCRAFT GUN SYSTEM AMMUNITION.
SEC. 137. F-35 AIRCRAFT GUN SYSTEM AMMUNITION.
The Director of the F-35 Joint Program Office shall, in consultation with the Secretary of the Air Force, take appropriate actions to ensure that any 25mm ammunition fielded for use by F-35A aircraft—
(1) provides effective full-spectrum target engagement capability; and
(2) meets the required operational employment probability of kill specifications for the F-35A aircraft.