Cmdr. Peter Niles, the commanding officer of the Coast Guard Cutter Spencer, and Cmdr. John McTamney conduct a pass-in-review during the Spencer’s time-honored change of command ceremony in Boston, Monday, July 10, 2017. During the ceremony, command of the 270-foot cutter transferred from from Niles to McTamney. U.S. Coast Guard photo by Petty Officer 2nd Class Cynthia Oldham.