U.S. Coast Guard Petty Officer David Lee, right, served as the lead instructor when members of Coast Guard Port Security Unit 311 trained alongside U.S. Navy personnel to familiarize themselves with chemical, biological, radiological, nuclear and explosive (CBRNE) protective equipment at Coast Guard Base Los Angeles-Long Beach, July 12, 2026. The military members completed a proficiency test requiring them to correctly don the uniform in eight minutes or less. (U.S. Coast Guard photo by Petty Officer 1st Class J.J. Huggins)