US Marine Corporal Virgil W. Burgess giving his dog Prince instructions on which foxhole to carry a message to, Iwo Jima, 19 February 1945.
taken from fb/Warhistory online

Go fetch boy!

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

Jungle warfare

A U.S. Marines 37 mm (1.5 in) anti-tank gun fires against Japanese cave positions in the north face of Mount Suribachi on the island of Iwo Jima, western Pacific Ocean; February, 1945.