Tumon Bay borders the e western coast of Guam Island in the Mariana Island Group (Mariana Islands). To the southwest is Agana Bay.
Tumon Bay was the site of the 3rd Marine Division's landing which
immediately came under fire from the Japanese defenses dug in on the high ground overlooking the beaches.
140mm Type III Naval Gun
Located at the base of the cliff
on the north end of Tumon Bay.
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August 25, 2018