Nicknamed 'R2-D2,' the Phalanx weapon system is an autonomous anti-missile defense mounted on ships. (Jhoan M. Montolio, U.S. Navy)

Raytheon to upgrade UK’s ‘R2D2’ naval defense system

The State Department approved a $75 million deal for Raytheon to upgrade and maintain Phalanx Close-In Weapon Systems operated by Britain’s Royal Navy.

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After a year of study, here's one key takeaway the Air Force learned about multidomain operations: it needs to be able to rely on military satellite communications, like this commercial satellite from Intelsat. (Intelsat)

What the Air Force is learning about multidomain ops

After a year of study, here's one key takeaway the Air Force learned about multidomain operations.

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Readily available general-purpose circuits often result in unnecessary and power-hungry circuitry. (Staff Sgt. Samuel Morse/366th Fighter Wing)

DARPA contract aims to design circuits in months, not years

DARPA wants to change the game for high-efficiency circuitry.

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Lance Cottrell, chief scientist at Ntrepid, shows government workers how to remain anonymous online. (Daniel Woolfolk/Staff)