They were guided in to shore by Marines on foot , but several of these tanks fell into holes caused by the naval gunfire bombardment and sank .
The LCMs dropped ramps and the six tanks came down , climbed over the reef and dropped into the surf beyond .
LCMs were guided in to shore by Marines on foot , but several of these tanks fell into holes caused by the naval gunfire bombardment and sank .
The LCMs dropped ramps and the six tanks came down , climbed over the reef and dropped into the surf beyond .