Before revision: W86 warhead casing after drop testing W86 warhead casing before and after a drop test The W86 was an American thermonuclear warhead with earth-penetrating characteristics (a nuclear bunker buster) , intended for use on the Pershing II intermediate-range ballistic missile (IRBM).
After revision: W86 warhead casing after drop testing W86 warhead casing before and after a drop test The W86 was an American thermonuclear warhead with earth-penetrating ("bunker buster") nuclear warhead , intended for use on the Pershing II intermediate-range ballistic missile (IRBM).