Secretary of War Pete Hegseth's preferred candidate to lead the U.S. Army, four-star General Christopher LaNeve, is encountering significant resistance from within the Republican party, potentially imperiling his nomination for Army Chief of Staff.

LaNeve, who currently serves as Vice Chief of Staff for the U.S. Army and has been acting as interim Chief of Staff since May, has not yet been formally nominated for the permanent role. However, a lack of consensus among Republican members of the Senate Armed Services Committee has cast doubt on his confirmation prospects. Senator Roger Wicker of Mississippi, the committee's chairman, reportedly indicated in May that the necessary Republican votes were not present to advance LaNeve's nomination. Republicans hold a narrow 14-to-13 majority on the committee, requiring unanimous support from GOP members for a nomination to proceed to a full committee vote and then to the Senate floor.

Some Republican senators have expressed reservations about LaNeve's qualifications, specifically citing concerns that he has not held the rank of four-star general for the customary 18 months prior to nomination. Senator Joni Ernst of Iowa is among those reportedly voicing these concerns. Ernst previously expressed reservations during Hegseth's own confirmation process in early 2025 regarding his past remarks about women in the military and allegations of sexual misconduct.

Despite these internal party concerns, LaNeve has the backing of Secretary of War Hegseth. A statement from Chief Pentagon Spokesman Sean Parnell indicated that the Department of War and Secretary Hegseth stand behind General LaNeve's leadership as Acting Chief of Staff and will continue to work with the White House and the Senate towards his confirmation.

LaNeve has also reportedly earned the favor of the commander-in-chief, who has described the general as looking like he is out of "central casting." LaNeve has been serving in an acting capacity as Chief of Staff since the dismissal of General Randy George in May. While there is no time limit on how long he can serve in the acting role, confirmation by the Senate is required for him to assume the position permanently. LaNeve has already been confirmed by the Senate for his current role as Vice Chief of Staff.

Vice Chief of Staff of the Army and acting Chief of Staff of the Army General Christopher LaNeve (far left) reportedly does not have enough GOP support to be confirmed by the Senate