This page is to remember the Minemen that were stationed on Tinian Island during World War II. Also, to remember the history  Mine Assembly Depot 4 (MAD 4).

MISSION

The mission of Mine Assembly Depot 4 was to provide assembled mines upon request, to fill operational requirements of either the 20th Air Force or fleet activities.

ORGANIZATION

MAD 4 had allowance of 11 officers and 162 enlisted men.

GROWTH

MAD 4 landed on Tinian on 19 Jan 1945, construction started 10 days later, and MAD 4 was ready to assembly mines on the 20th of February.