Veronica Laguna demonstrates a core exercise during

Veronica Laguna demonstrates a core exercise during an Aquatic Maximum Power Intensity Training class at Marine Corps Air Station Cherry Point, N.C., Jan. 7, 2015. Marines with Marine Wing Communications Squadron 28 attended the hour-long class to improve their physical fitness level. Laguna is an aquatics fitness instructor with Semper Fit at Cherry Point and a native of Los Angeles.