U.S. Marines (circled left) hurls grenades at armed convicts during the Battle of Alcatraz. They are commanded by WW2 Pacific War veterans WO Charles L. Buckner (who himself led the assault) and Generals Joseph Stilwell and Frank Merrill (of the famed “Merrill’s Marauders”). [May 4, 1946] {1024×719}
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I’ve stood on the spot where it detonated and have seen the marks on the concrete it made.