The Pentagon announced Wednesday that the Navy’s top civilian official, Secretary of the Navy John Phelan, is leaving his job.
In a statement posted to social media, Pentagon spokesman Sean Parnell said Phelan was “departing the administration, effective immediately.”
Navy Undersecretary Hung Cao will become acting secretary of the Navy, Parnell said.
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The sudden departure comes just a day after Phelan addressed a large crowd of sailors and industry professionals at the Navy’s annual conference in Washington, D.C., and spoke with reporters on his ongoing agenda.
Phelan’s departure also comes just weeks after Defense Secretary Pete Hegseth fired the Army’s top officer, Gen. Randy George, as well as two other top generals in the Army.
Phelan had not served in the military or had a civilian leadership role in the service before President Donald Trump nominated him for secretary in late 2024.
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Phelan was a major donor to Trump’s campaign and founded the private investment firm Rugger Management LLC. According to his biography, Phelan’s primary exposure to the military came from an advisory position he held on the Spirit of America, a non-profit that supported the defense of Ukraine and the defense of Taiwan.
