SEATTLE – Rear Adm. Mark E. Butt, outgoing commander, shakes hands with Rear Adm. David G. Throop after Throop assumed command of the 13th Coast Guard District during a change-of-command ceremony held at Base Seattle, May 4, 2017. Vice Adm. Fred M. Midgette (middle), commander, Coast Guard Pacific Area, presided over the ceremony, transferring the authority of command from Butt to Throop. U.S. Coast Guard photo by Petty Officer 2nd Class Ali Flockerzi.