Mods 3, 4, and 6 bomb dispensers have the Mk 339 Mod 1 fuze, which provides the pilot with in-flight selection of the fuze function time. The Mk 7 Mod 4 bomb dispenser differs from the Mk 7 Mod 3 by modifying the dispenser and giving interface capabilities with a wider range of military aircraft. The Mk 7 Mod 6 bomb dispenser is the same as the Mk 7 Mod 3 except that the outside of the Mod 6 cargo section is coated with a thermal protective coating and has an additional yellow band around the forward end of the cargo section. The addition of the thermal coating increases the overall weight of the Mod 6 to . Each bomblet weighs and has a shaped-charge warhead of high explosives, which produces up to 250,000 psi (1.7 GPa) at the point of impact, allowing penetration of approximately of armor. Rockeye is most efficiently used against area targets requiring penetration to kill. Fielded in 1968, the Rockeye dispenser is also used in the Gator air-delivered mine system. During Desert Storm US Marines used the weapon extensively, dropping 15,828 of the 27,987 total Rockeyes against armor, artillery, and personnel targets. The remainder were dropped by Air Force (5,346) and Navy (6,813) aircraft. According to a test report conducted by the United States Navy's Weapon System Explosives Safety Review Board established in the wake of the 1967 USS Forrestal fire, the cooking off time for a Rockeye CBU is approximately 1 minute and 13 seconds. References Cluster munition Aerial bombs of the United States Cold War aerial bombs of the United States Anti-tank weapons