File:3rd Battalion, 161st Infantry Regiment, fire a mortar during Rifle Forge (3).jpg - Wikipedia
File:U.S. soldiers of the 3rd Chemical Mortar Battalion near Bitburg, Germany, 3 March 1945 (148727340).jpg - Wikimedia Commons
Soldiers assigned to 1st Battalion, 3rd U.S. Infantry Regiment, "The Old Guard" calibrates an M252 81mm mortar system for accuracy during a live-fire training exercise in support 1st Attack Reconnaissance Battalion, 82nd
War Plan Red | Chemical Mortar Battalion
File:5 Podhale Battalion - mortar.JPG - Wikipedia
U.S. Marines get hands on with new mortar system > United States Marine Corps Flagship > News Display
Unit History of the 81st Chemical Mortar Battalion in World War II | Walt Cross Book | In-Stock - Buy Now | at Mighty Ape NZ
Long Knife mortar men hang rounds to improve crew proficiency | Article | The United States Army
United States Army 84th Chemical Mortar Battalion | City of Grove Oklahoma
M252 81mm mortar system hi-res stock photography and images - Page 2 - Alamy
Historical highlights of the Eighty-ninth Chemical Mortar Battalion" by United States Army and George H. Esser
Bevo 83rd Chemical Mortar Bn Patch – SOLD | J. Mountain Antiques
A163 Original WW2 US Army 2nd Chemical Mortar Battalion patch IR45E | eBay