Vaccine Brief Air Force Capt. Scott Crandell, right, executive officer of Joint Task Force Mustang in the California National Guard, and Army Sgt. Maj. Robert Hammersley, senior enlisted advisor of JTFM, are briefed about operations at the walk-up section of the COVID-19 vaccine distribution site at California State University, Los Angeles, Feb. 15, 2021. The site was selected for its close proximity to public transportation. SHARE IMAGE: Download Image: Full Size (4.36 MB) Tags: National Guard, Coronavirus Photo By: Air Force Sr. Airman Neil Mabini VIRIN: 210215-Z-UP244-1180.JPG Photo Gallery