The U.S. Army Is Qualifying New Units To Fly The UH-60 With The Controversial M-139 Volcano Mine Delivery System The U.S. Army Is Qualifying New Units To Fly The UH-60 With The Controversial M-139 Volcano Mine Delivery System File photo of Soldiers from 2nd Bn., 2nd Aviation Regiment, 2nd Combat Aviation Brigade, using a UH-60 Black Hawk helicopter to employ M-139 Air Volcano Mines during a capabilities exercise at Bisung Range near the city of Yangpyeong, South Korea. The system is now being resurrected for use on the UH-60M (Image credit: U.S. Army) The M-139 Volcano Mine Delivery System, o...