Acting Navy Secretary Hung Cao on Saturday vowed to build ships after his predecessor, John Phelan, was fired this week amid President Trump’s push for accelerated shipbuilding. Cao posted a video to social media listing his priorities to service members in the Navy, starting off with taking “care of your needs and make sure you can do the mission.” “Second, is we’re going to build ships,” Cao continued. “We need the platforms we need in order to defend this country. And finally, it’s to defend the homeland. Our mission has not changed and we’re going to keep driving on with the mission.” Phelan was ousted on Wednesday, 13 months into the role and becoming the first service secretary to be removed during Trump’s second term. Over 30 senior military officers have been pushed out of their roles under Defense Secretary Pete Hegseth. A former U.S. official, speaking on condition of anonymity, told The Hill on Thursday that Phelan’s firing was related to shipbuilding efforts.…