U.S. Coast Guard Petty Officer 2nd Class Luis Padilla, left, and Petty Officer 3rd Class Colin Gerdes, reserve electrician's mates (EM) at Coast Guard Sector Jacksonville, Florida, construct a battery containment unit for a portable restroom facility at Sector Jacksonville March 22, 2022. EMs are responsible for the installation, maintenance, repair, and management of sophisticated electrical and electronic equipment. (U.S. Coast Guard photo by Petty Officer 2nd Class Barry Bena)