Siberian Expedition M1911- Some US forces were deployed to Russia from August 1918 to June 1920  our .45 ca GOTD was there. The Siberian Expedition included 7,950 US officers/soldiers, many of which were armed with the M1911, including this example with grip panels customized by former German POWs that were part of the American Expeditionary Force. Under cold weather conditions, the M1911 .45 handgun was favored for personal protection while other sidearms with leaf springs didn’t fare as well.