The Pentagon says it has determined that possibly live anthrax was mistakenly sent to labs in Canada and Washington state, in addition to the numerous labs in the U.S. and abroad.
The Centers for Disease Control and Prevention said Wednesday it is investigating what the Pentagon called an inadvertent shipment of live anthrax spores to government and commercial laboratories in as many as nine states.
U.S. defense officials say they don't have any indications yet that a U.S. military helicopter that went missing during a mission in Nepal has crashed.
A nurse who was quarantined at a New Jersey hospital after working in West Africa with Ebola patients has been released.
The Pentagon says 200 U.S. soldiers will participate in an exercise in western Ukraine starting next week. It would be the first presence of American ground troops in Ukraine since the crisis with Russian-backed separatists began.
The Pentagon says a new round of 15 U.S. airstrikes near the Mosul dam in northern Iraq were justified because the dam's failure could trigger a humanitarian disaster.
The Obama administration has told senators it didn't notify Congress about the pending swap of Sgt. Bowe Bergdahl for five Taliban officials because the Taliban had threatened to kill him if the deal was made public before it happened.
The Pentagon says a Russian fighter jet intercepted an American reconnaissance plane in international airspace over the Pacific in late April, prompting top officials to communicate their concerns to the Russian military.