March 18, 2017, at 8:18 p.m. — United Launch Alliance's Delta IV Medium launches WGS-9 to a supersynchronous transfer orbit from Space Launch Complex 37B at Cape Canaveral Air Force Station in Florida. Also in this gallery: Photographs from my December 2017 visit to ULA’s headquarters in Centennial Colorado, where one of my photos from this mission is on display two-stories tall in the form of a wall mural in the company’s HQ lobby.