Petty Officer 2nd Class Sarah Kessler, a marine science technician, demonstrates to children how to obtain oil samples from the water during Sector Houston-Galveston’s Community Day in Houston, Texas, Mar. 19, 2022. During the event, Coast Guard members from Sector Houston-Galveston and surrounding units displayed equipment and discussed various Coast Guard missions. (U.S. Coast Guard photo by Petty Officer 2nd Class Ryan Dickinson)