SDB II Scores Hits in Flight Tests

F-35 Armament, fuel tanks, internal and external hardpoints, loadouts, and other stores.
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Dragon029

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Unread post28 Sep 2018, 03:47

I think he's talking about having external racks of SDBs.
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weasel1962

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Unread post21 Jan 2019, 11:55

GBU-53, now known as stormbreaker (formerly SDB II) quietly got its lot 5 order in Dec 2018 for US$141m or ~US$112k each. The deal for 1,260 splits between 750 for USN and 510 for USAF. This brings total orders to 2,532.

https://thedefensepost.com/2018/12/19/r ... 1-million/

This contrasts with GBU-39 whose orders had reached 7,000 with 1260 BRU-61 racks by lot 5 and was generating 2,000+ production numbers per lot from lot 6. However, GBU-39 is significantly cheaper due to its static JDAM like capability that do not by itself have moving targets capability (Boeing is adding a laser seeker to make it a laser SDB). GBU-53 is more expensive due to the a different and more sophisticated seeker and can handle moving targets. The original program acquisition was 12,000 for USAF and 5,000 for USN/USMC.
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SpudmanWP

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Unread post21 Jan 2019, 17:44

Not to be a stickler for details, but "is adding" sounds like a future (ie not yet done) feature.

The Laser-SDB was declared IOC in 2014.
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