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200406-N-BN978-5118 GREAT LAKES, Ill. (April 6, 2020) Students studying for a Basic Engineering Common Core test at Surface Warfare Engineering School Command, Great Lakes, practice social distancing and wear face coverings following recommendations set by the Centers for Disease Control and Prevention and U.S. Navy policy, April 6, 2020. (U.S. Navy photo by Brian Walsh/Released)