US Army 4th Cavalry Group blue and yellow coat of arms shoulder patch

The 4th Cavalry Group badge was acquired by the United States Holocaust Memorial Museum in 2004. 

US Army 4th Cavalry Group blue and yellow coat of arms shoulder patch 

overall: Height: 4.000 inches (10.16 cm) | Width: 2.500 inches (6.35 cm) 

United States Army Fourth Cavalry Group shoulder sleeve badge in the shape of a Coat of Arms. The yellow shield symbolizes Cavalry and the other battle related symbols memorialize unit engagements during the Civil War. The Group was not authorized to wear a shoulder patch during World War II, but many soldiers made their own during and after the war. The Group deployed to England in December 1943 and was redesignated as the 4th Cavalry Group Mechanized. Among the first Allied soldiers to land in France on D-Day, June 6, 1944, the 4th Cavalry assumed traditional cavalry actions of flanking and reconnaissance as the army advanced across Europe. The Group crossed the Rhine on March 2, 1945, and were in the Harz Mountains when the war ended May 7, 1945. 

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Narrow, shield shaped yellow cloth patch with a machine embroidered design featuring a central blue field in the shape of fortress battlements. The blue stripe is pierced by a saber and in the center is a reversed yellow cannon with a red saber and bayonet crossed over a red arrow. The unfinished patch edges are folded over and pressed.