President-elect Donald Trump has moved quickly to fill several high-profile roles in his upcoming administration, signaling a focus on national security and a firm foreign policy stance. Reports indicate that Senator Marco Rubio is expected to be nominated for Secretary of State, while Representative Mike Waltz has been selected as National Security Advisor. These appointments suggest a pivot toward a more assertive approach regarding competition with China and a reassessment of international military aid. While supporters praise the selections as a return to a 'peace through strength' doctrine, some analysts suggest the appointments may herald a period of unpredictability in traditional diplomatic alliances. The transition team continues to vet candidates for remaining cabinet positions as the January inauguration approaches.