Sgt. Tyler Sylvester, troop morale specialist, Headquarters Battalion, hands change to Lance Cpl. Michael Seabolt, chemical, biological, radiological and nuclear specialist, 1st Transportation Support Battalion, after Seabolt made a purchase from the Mobile Tactical Field Exchange aboard Camp Wilson, April 13, 2015. (Official Marine Corps photo by Lance Cpl. Medina Ayala-Lo/Released) - Sgt. Tyler Sylvester, troop morale specialist, Headquarters Battalion, hands change to Lance Cpl. Michael Seabolt, chemical, biological, radiological and nuclear specialist, 1st Transportation Support Battalion, after Seabolt made a purchase from the Mobile Tactical Field Exchange aboard Camp Wilson, April 13, 2015. (Official Marine Corps photo by Lance Cpl. Medina Ayala-Lo/Released)