Alcatraz will be filled with military and civilian reenactors on Living History Day, giving visitors a sense of who occupied the island during the Civil War.

Soldiers of the infantry and artillery will display soldiers’ equipment and weapons, a medical steward will display medical instruments of that time, the head of the U.S. Balloon Corps will show how they were used to view the battlefield.

An enlistment officer will demonstrate how men were enlisted, ladies will be displaying household goods and medicines of the 1860s.