They did. They leaped over the wall, bayoneted their enemies, smashed skulls with clubbed muskets, and planted the battleflags of the South on Cemetery Ridge.
Hamilton himself halted a retreating infantry brigade and organised a bayonet charge and was badly injured when his horse was shot from underneath him.
I doubt that, friend William; I have no idea of any security against those cannibals but in a regiment of good soldiers, with their muskets and bayonets.