Vice Adm. Patrick J. Hannifin took over for Vice Adm. Fred W. Kacher as commander of the U.S. 7th Fleet, which covers the Navy’s largest operations area.
Experts agreed if the U.S. resumed full nuclear weapons tests, other nations would do the same — giving them a chance to catch up on nuclear knowledge.
Justices were skeptical Monday that the case was an exception to other lawsuits against defense contractors, which usually get immunity in such litigation.