U.S. Coast Guard Petty Officer David Lee, right, taught fellow members of Coast Guard Port Security Unit 311 to don chemical, biological, radiological, nuclear and explosive (CBRNE) protective equipment at Coast Guard Base Los Angeles-Long Beach, July 12, 2026. The training familiarized service members with CBRNE protective suits before they completed a proficiency test requiring them to correctly dress in the uniform in eight minutes or less. (U.S. Coast Guard photo by Petty Officer 1st Class J.J. Huggins)