Air force facilities; Environmental assessment; Air quality; Climate; Construction; Cultural resources; Endangered species; Fishes; Flood plains; Geology; Ground water; Infrastructure; Management; Noise; Permafrost; Recreation; Soils; Surface waters; Vegetation; Wetlands; Alternatives; Biological resources; Bmp(Best management practices); Fonpa(Finding of no practicable alternative); Fonsi(Finding of no significant impact); Socioeconomics;