The Trump administration ousted Coast Guard Commandant Linda Fagan, who is the first woman to lead a branch of the U.S. military.

Trump’s removal of Adm. Linda Fagan, who made history as the first woman to lead a U.S. military service, is the first of several potential leadership changes.

U.S. Coast Guard Commandant Adm. Linda Fagan, the first female uniformed leader of an armed forces branch in U.S. history, was ousted by the Trump administration with no explanation late Monday. Acting Secretary of Homeland Security Benjamine Huffman relieved Fagan of her duties as Coast Guard commandant,