MIL-STD-3050A FOREWORD 1.ThisstandardisapprovedforusebyallDepartmentsandAgenciesoftheDepartmentof Defense 2.Thisstandardcoversthedesign,integration,certification,sustainment,andmaintenance requirementsforanAircrewBreathingSystem(ACBS).Theintentofthisstandardistoprovide ...