Marines with Combat Assault Company drive amphibious assault vehicles throughout the Nu’upia Pond area Feb. 4, 2015 aboard Marine Corps Base Hawaii. The AAVs drove through the ponds to break up the pickleweed and invasive species growing over the habitat of the endangered Hawaiian stilt. (U.S. Marine Corps photo by Lance Cpl. Harley Thomas) - Marines with Combat Assault Company drive amphibious assault vehicles throughout the Nu’upia Pond area Feb. 4, 2015 aboard Marine Corps Base Hawaii. The AAVs drove through the ponds to break up the pickleweed and invasive species growing over the habitat of the endangered Hawaiian stilt. (U.S. Marine Corps photo by Lance Cpl. Harley Thomas)