The defense secretary is going after the Arizona Democrat's Navy pension for telling troops they can refuse illegal orders.

Democratic Sen. Mark Kelly filed a lawsuit against Defense Secretary Pete Hegseth seeking to block the Pentagon's efforts to downgrade his retirement rank and pay.

The senator has said the investigation is meant to silence dissent, and that he'll fight to push back against Trump and Hegseth.

Senator Mark Kelly is suing Defense Secretary Pete Hegseth, arguing the Pentagon unlawfully retaliated against his political ...

Sen. Mark Kelly, D-Ariz., filed a lawsuit Monday against Defense Secretary Pete Hegseth and the Pentagon, charging their ...

The "Last Word" host on Monday delivered what Sen. Mark Kelly (D-Ariz.) called "a great summary" of his new lawsuit against the secretary of defense.

Former NASA astronaut and current U.S. Senator Mark Kelly is fighting back, suing the Pentagon for its plan to censure him over comments he made in a video late last year.

Kelly sued Hegseth, the Pentagon, the Navy and Navy Secretary John Phelan on Jan. 12 in U.S. District Court in Washington, ...

Hegseth previously said the Pentagon began the process of downgrading Kelly’s pay grade in his retirement.

The US senator and former Navy captain is contesting a move to review his retirement grade after he criticised the Trump ...

WASHINGTON — Arizona Sen. Mark Kelly slapped a lawsuit against Secretary of War Pete Hegseth for sending him a censure letter and moving to dock his military retirement pay as punishment for urging ...

Sen. Mark Kelly sued Defense Secretary Pete Hegseth, in the latest clash about military policies between Democrats and the ...