Unsure when and where the picture was taken, but the following is a very brief history of his unit, compliments of the Tank Destroyer Website : tankdestroyer.net
610th Tank Destroyer Battalion :
Unit History: Activated on 11 April, 1942, at Camp Barkley, Texas, as a towed battalion. Arrived Greenock, Scotland, on 11 June, 1944. Landed at Utah Beach on 31 July. Committed to action 10 August near Craon, France, and participated in elimination of Falaise Pocket. Raced east to the Moselle River by September. Converted to the M36 in September–October, the first unit to do so. Helped clear Maginot Line fortifications in November. Ordered to the Ardennes on 21 December. Helped eliminate the Bulge in January 1945. Battled through Siegfried Line in February near Brandscheid. Transferred back south in March. Crossed the Rhine at Worms on 29 March. Raced through central and southern Germany in April and reached the vicinity of Munich by month’s end. Ended war in Ingolstadt. Attached to: 4th, 26th, 35th, 42d, 80th, 87th Infantry divisions; 101st Cavalry Group.
Combat Equipment: 8/44 - Towed 3" Gun; 9/25/44 - M36.
Code Name/s: Nuisance, Highshoe
Campaign Credits: Northern France...............Jul. 25, to Sept. 14, 1944
Rhineland........................Sept. 15, 1944 to Mar. 21, 1945
Ardennes-Alsace..............Dec. 16, 1944 to Jan 25, 1945
Central Europe.................Mar. 22, to May 11, 1945