At the Japanese Yontan air field on Okinawa, wounded Marines are loaded into a hospital transport plane for evacuation to rear base hospitals. This strip was captured on the first day of the assault and was put to use for American planes shortly thereafter; April 1945. 

Flying ambulance

A US Marine firing a .30 cal machine gun on Okinawa island, Japan; April, 1945.

Browning Medium Machine-gun

US Marines and M4 Sherman tanks are engaged in combat in the jungle of Guam, Mariana Islands, Central Pacific ocean; August 1944.