(February 29, 2024, 1:03 PM EST) -- CHARLESTON, S.C. — The U.S. government filed a motion in South Carolina federal court to dismiss five cases alleging injuries from exposure to the firefighting agent aqueous film forming foam (AFFF), which contains per- and polyfluoroalkyl substances (PFAS), on grounds that the plaintiffs cannot identify any “mandatory and specific directive” that the U.S. Air Force (USAF) violated in using AFFF at Cannon Air Force Base (CAFB)....