In Defense of San Juan / En defenso de San Juan

In Defense of San Juan, also, En defenso de San Juan. San Juan National Historic Site. , At this site you can sample a few of San Juan’s historic fortifications. Features seen here date from the 1760’s through the 1960’s, the latter part of San Juan’s military history., The concrete blocks scattered on the lawn were left by the U.S. Army, which was here from 1898 through 1960. In fact, the grass-roofed building you are standing on---now housing the park visitor facilities and offices, was built in 1942 as a World War II command post. The other features seen here were all built by Spain, mostly in the late 1700’s., Although fortifications in San Juan cover such a great time span (1521 through 1960), they were all built for the same reason-to defend San Juan and its precious harbor.