Lt. Col. Sean Zukowsky (left), commanding officer of 4th Assault Amphibian Battalion, 4th Marine Division, Marine Forces Reserve, and Dale Hoffman (right), volunteer at the Employer Support of the Guard and Reserve, present officer Mark Delage (center) with a letter of appreciation for his support to the Reserve Force members on March 2, 2018, in Tampa Fla. Marines from 4th AAVs spent the day with members of the Employer Support of the Guard and Reserve foundation demonstrating their capabilities as a Battalion and teaching basic weapons system operations, basic combat lifesaving skills and showing how the Amphibious Assault Vehicle operates.