Bell UH-1Y Venom in action - Is the UH-1Y Venom the Coolest Attack Helicopter on Earth? The Bell UH-1Y Venom is an American military helicopter built by Bell Aircraft. It is intended to replace the Bell UH-1 Iroquois in the Marine Corps.Video is of U.S. Marine Corps #Marine UH-1Y #Venom's assigned to Marine Aviation Weapons & Tactics Squadron One (MAWTS-1) (#MAWTS1) prepare to engage targets during an offensive air support exercise at #ChocolateMountainAerialGunneryRange, Calif., Sept. 28, 2016. (U.S. #MarineCorps video by Cpl. Aaron James Vinculado, MAWTS-1 #COMCAM) #UH1Y #HUEY #M3Browning #GAU16AModernized version of the Twin Huey helicopters used by the Marines since the 1970s, this model has been refurbished and introduced in 2008.The main improvement is the installation of a four-bladed rotor instead of the two-blade of his predecessor.