Cyber Operator Air Force Capt. Luke Humphries, a cyber operator assigned to the 276th Cyber Operations Squadron, Maryland Air National Guard, works on his computer at home near Baltimore, Md., after participating in the Cyber Shield exercise, Sept. 29, 2020. SHARE IMAGE: Download Image: Full Size (1.3 MB) Tags: cyber Photo By: Air Force Capt. Benjamin Hughes VIRIN: 201013-Z-YE885-001A.JPG Photo Gallery