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LT Andrew Dennelly
U.S. Coast Guard Academy
Professional Maritime Studies
27 Mohegan Avenue
New London, CT 06320
(860) 444-8278
LT Andrew Dennelly, Ph.D.
Nautical Science IV Instructor
Professional Maritime Studies
U.S. Coast Guard Academy

Lieutenant Dennelly is a native of Batavia, Illinois. He began his Coast Guard career in 2001 at the Naval Academy Preparatory School (NAPS) at Naval Station Newport in Newport, Rhode Island. Following his graduation from NAPS, Lieutenant Dennelly attended the U.S. Coast Guard Academy where he earned his commission and a Bachelor of Science in Government in 2006. 

His first assignment was as a Deck Watch Officer aboard USCGC Forward (WMEC 911), home-ported in Portsmouth, Virginia. In 2008, Lieutenant Dennelly was assigned as the Executive Officer aboard USCGC Drummond – Port (WPB 1323) in Miami Beach, Florida, where he participated in District Seven’s High Tempo, High Maintenance (HTHM) multi-crew program. In 2010, Lieutenant Dennelly transferred to the District Seven Command Center in Miami, Florida. Serving as a Command Duty Officer, he oversaw all Coast Guard missions in the Seventh District’s area of responsibility, encompassing over 15,000 miles of coastline throughout the Southeast United States and the Caribbean Basin. In 2013, Lieutenant Dennelly reported to the Coast Guard’s Patrol Forces Southwest Asia unit located in Manama, Bahrain where he served as the Commanding Officer of the WPB Relief Crew. In this capacity, he assumed command of the six patrol boats assigned to Patrol Forces Southwest Asia as a relief Commanding Officer. In 2014, Lieutenant Dennelly reported to the U.S. Coast Guard Academy to serve as an instructor within the Professional Maritime Studies department. He currently teaches the Coast Guard Division Officer course to first class cadets. 

Lieutenant Dennelly’s personal awards include a Coast Guard Commendation Medal, Navy and Marine Corps Commendation Medal, two Coast Guard Achievement Medals and numerous unit level awards. 

Lieutenant Dennelly is married to the former Megan Davison of Somers, New York. They have one daughter, Quinn.