Contract Operational Readiness Exercise 21
210420-A-VS743-1014.JPG Photo By: Spc. Larissa Peterson

SAN ANTONIO, Texas - U.S. Army Sgt. 1st Class Steven Cassidy puts on personal protective gear during the Contract Operational Readiness Exercise 21 (CORE-21) on Camp Bullis, San Antonio, Texas on April 20, 2021. The CORE-21 also incorporates weapons qualification, land navigation and other ancillary training. (U.S. Army photo by Spc. Larissa Peterson)


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