Defense Secretary Ash Carter on Nov. 8 accused Russia of endangering world order, citing its incursions in Ukraine and loose talk about nuclear weapons, and said the U.S. defense establishment is searching for creative ways to deter Russian aggression and protect U.S. allies.
Associated Press: Carter says Russia endangering world order
US Secretary of Defense Ashton Carter listens during a jointed press conference with Spanish Defence Minister Pedro Morenes (unseen) in Madrid on Oct. 5.