Capt. Kevin P. Gavin, left, relieves Capt. Donna L. Cottrell, right, of her duties as commanding officer of the Coast Guard Helicopter Interdiction Tactical Squadron in Jacksonville, Fla., Friday, April 18, 2014, under the observation of Vice Adm. Robert C. Parker, the commanding officer of Coast Guard Atlantic Area. The change of command ceremony is a time-honored tradition that represents the transfer of one commanding officer to another as well as the transfer of absolute authority and responsibility for a military unit. (U.S. Coast Guard photo by Petty Officer 3rd Class Anthony L. Soto)