is actually a peninsula
in the United States
alongside the city of Vallejo, California
, about 23 miles (37 km) northeast of San Francisco
On September 16, 1854, Mare Island became the first permanent US naval installation on the west coast
In 1993 Congress approved the findings of the Base Realignment and Closure
report, leading to the closure of Mare Island Naval Shipyard.
© Philip Hall Images and Light