USAF improving its bunker buster bomb

Bids are due within a month for a US Air Force contract to build an improved version of the 2,000lb BLU-109 penetrator and deliver at least 12,000 of the bunker-busting bombs over the next five years. The improved BLU-109, which will be redesignated the BLU-137, and should correct known deficiencies and make the weapon more reliable against targets such as bunkers and hardened aircraft shelters, the service tells FlightGlobal.

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