Why are US Republicans losing faith in War Secretary Pete Hegseth?

What Happened

Republican senators voiced declining confidence in US Secretary of Defense Pete Hegseth, citing dissatisfaction over the prolonged US-Israel war with Iran, his leadership style, and controversial military appointments. Senator Thom Tillis told The Hill he 'doesn’t have any confidence in him anymore,' pointing to micromanagement and inexperience, and said he had heard of a 'loss of confidence' within the Pentagon. Senator Roger Wicker, chairman of the Senate Armed Services Committee, questioned Hegseth’s nomination of General Christopher LaNeve for Army chief of staff, after Hegseth fired General Randy George without explanation in April, and previously sought clarification on the legal basis for US strikes on small boats in the Caribbean. Senator Mitch McConnell, chair of the Senate Appropriations Subcommittee on Defense, objected to parts of the Pentagon’s $1.5 trillion budget request for 2027, including the Golden Dome missile defense system and the use of budget reconciliation to pass defense funding, and criticized the administration’s strained ties with NATO allies.

Key Actors

Why It Matters

GOP dissent over Hegseth signals broader Republican unease with the Trump administration’s defense strategy, encompassing the stalemated Iran war, controversial military appointments, and budget process. This could jeopardize Pentagon funding, embolden Democratic opposition, and erode the administration’s capacity to prosecute the Iran conflict or maintain alliance cohesion.

Watch For

Senate Armed Services Committee proceedings on General LaNeve’s nomination; markup of the 2027 defense budget and debates over the Golden Dome missile shield and reconciliation use; potential additional Senate hearings on war strategy in Iran and the legal framework for Caribbean strikes.