Brief of Amici Curiae Vice Admiral Donald C. Arthur, USN (Ret.), former Surgeon General of the U.S. Navy; Major General Gale Pollock, USA (Ret.), former Acting Surgeon General of the U.S. Army; and Rear Admiral Alan M. Steinman, USPHS/USCG (Ret.), Former Director of Health and Safety of the U.S. Coast Guard in Support of Plaintiffs-Appellees and Intervenor-Plaintiff Appellee