Reuters International

An Islamic State flag is seen in this picture illustration taken February 18, 2016. REUTERS/Dado Ruvic/Illustration

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BUCKLEY AIR FORCE BASE, Colo. (Reuters) - The U.S. military is dropping "cyber bombs" on Islamic State for the first time as part of a stepped-up coordinated effort that has put increasing pressure on the militant group, Deputy Defense Secretary Robert Work said on Tuesday.

"Those guys are under enormous pressure. Every time we have gone after one of their defended positions over the last six months, we have defeated them. They have left, they have retreated," Work told reporters on a military plane en route to a Colorado air base.

He said U.S. and coalition forces were putting pressure on Islamic State from all directions, using every possible military capability, including cyber attacks, to defeat the group.

(Reporting by Andrea Shalal; Editing by Chizu Nomiyama)

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