 Complete the following phrase:  All L-4 models, as well as similar, tandem-cockpit accommodation aircraft from Aeronca and Taylorcraft, were collectively nicknamed Grasshoppers, though the L-4 was almost universally referred to by its civilian designation of Cub. The L-4 was used extensively in World War II for reconnaissance, transporting supplies, artillery spotting duties and medical evacuation of wounded soldiers. During the 