Air-Launched Weapons

USAF issues draft RfP for improved 'bunker buster' bomb

05 December 2016
An F-35A aircraft conducting a test release of a GBU-31 BLU-109 bomb during trials. The USAF is looking for a successor to the 2,000 lb penetrator warhead with the BLU-137/B. Source: Lockheed Martin

The US Air Force (USAF) has issued a draft request for proposals (RfP) for a new penetrator warhead to replace its current BLU-109/B and BLU-109C/B systems.

The draft RfP for the BLU-137/B Penetrator Warhead, released on 2 December, covers low-rate initial production (LRIP) and four full-rate production (FRP) lots totalling 15,000 bombs.

Intended to be in the same 2,000 lb class of warhead as the BLU-109/B and BLU-109C/B, the BLU-137/B will be procured in an indefinite delivery/indefinite quantity (IDIQ) contract running from fiscal year (FY) 2017 to 2021. LRIP will number 1,000 warheads, with the four follow-on FRP contracts numbering 3,500 each and spanning one year apiece. A second IDIQ award may be granted after FY 2021.

No technical specifications for the BLU-137/B were given in the draft RfP, except to say that it is intended to provide improvements in capability and survivability over the BLU-109/B and BLU-109C/B.

Responses to the draft RfP are to be submitted no later than 14:00 Central Time on 16 January 2017.

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