News about Department of Defense
Stay current with all the latest and breaking news about Department of Defense, compare headlines and perspectives between news sources on stories happening today. In total, 440 stories have been published about Department of Defense which Ground News has aggregated in the past 3 months.
Covered Most By
Local News Publishers
Suggest a source
Looking for a source we don't already have? Suggest one here.Top Department of Defense News

Mark Kelly · United StatesThe Pentagon announced Monday that it is investigating U.S. Sen. Mark Kelly (D-Ariz.) for possible breaches of military law after he appeared in a video with five other lawmakers urging troops to refuse "illegal orders."See the Story
Pentagon Probes Mark Kelly Over Video Urging Troops to Refuse "Illegal Orders"
45% Center coverage: 352 sources

Mark Kelly · ArizonaSenator Mark Kelly (D-AZ) speaks at a press conference with other Senate Democrats on the creation of a Social Security War Room, in Washington DC, United States on April 1, 2025. Nathan Posner/Anadolu via Getty Images (WASHINGTON) — A day after the Department of Defense said it would be launching a “thorough review” into Democratic Sen. Mark Kelly, Defense Secretary Pete Hegseth continued to bash the Arizona senator, accusing him of incorrectly…See the Story
Hegseth Bashes Sen. Kelly's Display of Military Medals, Calls Video to Troops 'Politically-Motivated Influence Operation'
53% Right coverage: 15 sources








