anchor.diff:  #undef BAD_AREA
   #undef BAD_COORDS
   #undef BAD_TURF
  +#undef BAD_LAYER
  
positive.code: #define BAD_AREA 2
  #define BAD_COORDS 3
  #define BAD_TURF 4
  
  /area/shuttle/auxiliary_base
  	name = "Auxiliary Base"
  
negative.code: 			var/turf/place = colony_turfs[i]
  			if(!place)
  				return BAD_COORDS
  			if(istype(place.loc, /area/icemoon/surface))
  				return BAD_LAYER
  			if(!istype(place.loc, /area/lavaland/surface) && !istype(place.loc, /area/icemoon/underground))
  				return BAD_AREA
  			if(disallowed_turf_types[place.type])
  				return BAD_TURF
  