Vallejo Model Air Set: USAF colors “Grey Schemes” from 70’s to presentVallejo Model Air Set: USAF colors Grey Schemes from 70s to present Set of Model Air colors developed for painting the low visibility grey color schemes (Hill, Mod Eagle, Ghost, etc.) of the USAF aircraft from the seventies to present. Content: 8 x 18 ml 0. 6 fl oz Model Air 71. 277 Dark Gull Gray 71. 097 Medium Gunship Gray 71. 273 Ocean Gray 71. 274 Agressor Gray 71. 275 USAF Medium Gray 71. 120 Dark Ghost Gray 70. 615 USN Light Ghost Grey 71. 276