MARINE CORPS BASE HAWAII — L.J. Szalai, water safety instructor certified swim instructor, engages in a swimming lesson with Andrew Thiel, 3, at the base pool, June 9, 2015. Swimming lessons are available at the base pool during the summer. (U.S. Marine Corps photo by Kristen Wong/Released) - MARINE CORPS BASE HAWAII — L.J. Szalai, water safety instructor certified swim instructor, engages in a swimming lesson with Andrew Thiel, 3, at the base pool, June 9, 2015. Swimming lessons are available at the base pool during the summer. (U.S. Marine Corps photo by Kristen Wong/Released)
Nola Rivaldi, 7, pops out of the water after practicing a dive during a springboard diving class, Feb. 12, 2014 at the Marine Corps Base Hawaii pool. The class is available to children ages 7 to 13. (U.S. Marine Corps photo by Cpl. Sarah Dietz) - Nola Rivaldi, 7, pops out of the water after practicing a dive during a springboard diving class, Feb. 12, 2014 at the Marine Corps Base Hawaii pool. The class is available to children ages 7 to 13. (U.S. Marine Corps photo by Cpl. Sarah Dietz)