Health Secretary Dr. Rachel Levine became the first openly transgender four-star officer in the uniformed services on Tuesday after she was sworn in as the first female four-star admiral of the U.S. Public Health Service Commissioned Corps.The Department of Health and Human Services announced Tuesday that Levine was ceremonially sworn in as a four-star admiral, making her the highest ranking official in the commissioned corps and leading 6,000 Public Health Service officers.PATTY MURRAY ACCUSES RAND PAUL OF 'HARMFUL MISREPRESENTATIONS' FOR GRILLING RACHEL LEVINE ON CHILD GENDER SURGERIESThe former Pennsylvania health secretary became the nation's highest-ranking openly transgender official in March after being nominated by President.