Vietnam Zippo factory engraved on the front with the insignia of Coastal Division Eleven, a unit of Task Force 115.
Task Force 115, the Coastal Surveillance Force, directed Swift Boats, Coast Guard cutters, and other vessels in Operation Market Time to prevent the seaborne movement of troops and supplies from North Vietnam. Its units patrolled the coastline, inspected vessels, supported special operations, and provided naval gunfire, greatly reducing enemy maritime infiltration.