Lower surface color in the early Tactical Paint Schemes applied to some US Navy/USMC aircraft in the 1980s (A-4s, early F/A-18s, some F-4s of VMF-312 and VF-103, later transferred to VF-171).
Lower surface color in the Tactical Paint Schemes applied to US Navy helicopters from 1980s until today.
Also used in some camouflage schemes of US Navy (F/A-18B) and USAF (F-16C) aggressor squadrons.