White House Remarks Army Gen. Gustave F. Perna, commander of U.S. Army Material Command, delivers remarks during an update on vaccine development in the Rose Garden at the White House, May 15, 2020. SHARE: Download: Full Size (1.7 MB) Tags: army, coronavirus, warp speed, ows Credit: Shealah Craighead, White House VIRIN: 200520-O-ZZ999-101Y.JPG Photo Gallery