Space has emerged as the U.S. military's "most essential" warfighting domain, integral to all other aspects of combat power, according to the Pentagon's top requirements officer. Navy Adm. Christopher Grady, vice chairman of the Joint Chiefs of Staff who chairs the Joint Requirements Oversight Council, said “recent conflicts” -- alluding to Ukraine’s war with Russia -- have underscored the “indispensable role” of satellites in modern conflict. “In my view, space has emerged as our most essential warfighting domain, integral to...