Fullformexpand.com, 2026. "ESH2." Accessed April 19, 2026. https://www.fullformexpand.com/esh2/harbor-defense-sonarman-petty-officer-2nd-class.
"ESH2." (n.d.). Fullformexpand.com. Retrieved April 19, 2026, from https://www.fullformexpand.com/esh2/harbor-defense-sonarman-petty-officer-2nd-class.
ESH2. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/esh2/harbor-defense-sonarman-petty-officer-2nd-class (Accessed: 19 April 2026).