American GIs line up in a street in Troina, a village less than 20 miles south of the northern coast of Sicily, with mess kits in hand, as they wait for their turn for a meal from a large pot; July 1943. 
Oregano grows abundantly in Southern Italy, where many GIs encountered the herb for the first time, and fell in love with it. Many brought the craving back home with them after the war. 

Chow time "al fresco"

Soldiers of the 45th Infantry Division moving through a small village in southern France, during Operation Dragoon; August 1944.

In a small French village

Major General Manton S. Eddy, Division Commander (seated in the jeep with his hand on the windshield) pauses to get information from US 9th Division infantrymen in La Cour Miette near Les Champs de Losque,Marigny, Normandy. The frontline for 'Operation Cobra' July 26, 1944
taken from fb/WW2 Archives