The Unholy Three of the 618th Engineers in WWII: Archive

Man posing in front of large engine, apparently mounted in a frame. Annotation says, "Corts [assume his name]. Installed D-6600 Cat. engine in Lima crane". Sounds like quite an accomplishment. We assume "Cat" is Caterpillar and Lima refers to the Crane and Shovel Division of the Lima Locomotive Works, Lima, Ohio.