I was in tuscon about 5 yrs ago & davis-monthan afb was pretty much off- limits to the public. however, the pima county air museum is fantastic. while it used to be small, dmafb gave it a lot of property & also one of everything that was in the graveyard. plan on 2 days to see it all.marana to the best of my knowledge is not open to the public.mojave is a few miles north of edwards afb on hwy 14 in the calif desert, & is definately worth a visit. gb