Petty Officer 1st Class Brendan Ballard, a Coast Guard diver from Regional Dive Locker Pacific in Honolulu, instructs members from Florida Fish and Wildlife Conservation Commission during Joint Exercise Black Drum in Panama City, Florida, May 15, 2018. The event consisted of multiple agency-led training exercises including post blast and underwater search and recovery scenarios, which allowed the different agencies to work together and learn from each other. (U.S. Coast Guard photo by Petty Officer 3rd Class Travis Magee/Released)