B-roll of 26th Marine Expeditionary Unit conducting Maritime Interception Operations as part of Composite Training Unit exercise aboard USNS Leroy Grumman, July 14. 26th MEU and Amphibious Squadron 4 conducted the three-week COMPTUEX in preparation for their deployment later this fall. During the exercise, 26th MEU will prepare for its Certification Exercise in August by integrating and finalizing communications and mission procedures. Produced by Lance Cpl. Santiago G. Colon, Jr.