Blackhawk Flight A U.S. Army UH-60 Blackhawk flies over Fort McCoy, Wisc., during Combat Support Training Exercise 86-19-04, Aug. 19, 2019. CSTX 86-19-04 is a Combat Support Training Exercise that ensures America’s Army Reserve units and soldiers are trained and ready to deploy and bring capable, combat-ready and lethal firepower in support of the Army and our joint partners anywhere in the world. SHARE IMAGE: Download Image: Full Size (0.09 MB) Photo By: Army Spc. John Russell VIRIN: 190819-A-DR075-211M.JPG Photo Gallery