Department of Defense
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Fed up with Assad's lethal tactics and flush with new weapons, Syrian rebels launch new military assault.
Opposition leader sees signs that Russia is re-thinking its support for the Syrian regime.
The Pentagon's No. 2 civilian leader says the F-22 would be used in war "if need be."
Deputy Defense Secretary says Pentagon is not "abandoning" counterinsurgency expertise despite Army, Marine cuts.
Steward of U.S. arsenal says Russia, China are "not enemies," but America will keep nukes just in case.
U.S. officials warn of a cyber Pearl Harbor, but some say the threat--while real--doesn't match the talk.
Amid concerns of a Muslim Brotherhood-dominated government, experts say the leftist candidate could win.
As some lawmakers and industry titans warn of smaller DOD budgets, one group sees a chance for reforms.
Amid fears of Islamist rule, expert says major tensions with Israel are unlikely.
Defense giant says F-35 oxygen system 'very different' than the F-22's pilot-disabling one.