Michael Plemmons, a history professor for the Navy College Program for Afloat College Education, gives an American history lecture to Sailors.

ATLANTIC OCEAN (Feb. 18, 2014) Michael Plemmons, a history professor for the Navy College Program for Afloat College Education, gives an American history lecture to Sailors aboard the guided-missile destroyer USS Arleigh Burke (DDG 51). Arleigh Burke is on a scheduled deployment in support of maritime security operations and theater security cooperation efforts in the U.S. 5th and 6th Fleet area of responsibility. (U.S. Navy photo by Mass Communication Specialist 2nd Class Carlos M. Vazquez II) File# 140218-N-WD757-394