Members of Battery B, 1st Battalion, 160th Field Artillery, 45th Infantry Brigade Combat Team from the Oklahoma Army National Guard fire the M119A2 Howitzer from a concealed position during training at Camp Grayling, Mich.

The M119A2 is a 105mm Howitzer that replaced the M102 which has been in service since the early days of the Vietnam War.

(Photo by Capt. Geoff Legler, Oklahoma National Guard)

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