high-flash fuel

flash to bang / flash-to-bang (time)

flash-ranging (location), flash-spotting

Proton Exchange Membrane Fuel Cell (PEM fuel cell, PEMFC)

high-speed Diesel fuel

high-antiknock fuel

high-grade fuel

high-octane fuel

high altitude-high opening (HAHO)

high pay-off target / high-payoff target (HPT)

high-burst / high burst (HB)

high road; high-road

high-power illuminator radar / high power illuminating radar (HIPIR)

high-performance / high performance

flash (precedence)

flash a signal

flash burn

flash flood

flash fuse

flash hood

flash suppressor / guard / eliminator / hider / cone

flash-bang grenade

flash-blindness

heat flash

optical flash

organizational flash

shoulder flash / mark / patch

stun grenade / flash grenade / flashbang / thunderflash / sound bomb

flash reducer

flash reducer wad

anti-flash compound

atomic flash

blaze of flash