<b><a href="//commons.wikimedia.org/wiki/Category:Rockwell_Field" title="Category:Rockwell Field">Rockwell Field</a></b> during <a href="//commons.wikimedia.org/wiki/Category:World_War_I_sites_in_the_United_States" title="Category:World War I sites in the United States">World War I</a> (1917) — in Coronado, across <a href="//commons.wikimedia.org/wiki/Category:San_Diego_Bay" title="Category:San Diego Bay">San Diego Bay</a> from <a href="//commons.wikimedia.org/wiki/Category:San_Diego,_California" title="Category:San Diego, California">San Diego, California</a>.
United States Army
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