PresidentDonald Trump and Defence Secretary Pete Hegseth are set to address hundreds of senior US military officers in an unscheduled and highly unusual meeting at Marine Corps Base Quantico, Virginia, on Tuesday. The summit, convened on short notice, will bring together more than 800 generals, admirals, and top enlisted advisers from across the globe. The Pentagon has not issued an official agenda, and no detailed explanation was provided with the summons.