t. Cmdr. Don Cross, left, and Cmdr. David Haas train on the Kuakini Highway for the 2009 Ford Ironman World Championship

KAILUA-KONA, Hawaii (Oct. 06, 2009) Lt. Cmdr. Don Cross, left, and Cmdr. David Haas train on the Kuakini Highway for the 2009 Ford Ironman World Championship triathlon in Kailua-Kona, Hawaii. During the 2009 Ford Ironman World Championship triathlon, competitors swim 2.4 miles, bicycle 112 miles, and run 26.2 miles. Cross, a submarine officer, and Haas, a surface warfare officer, both began training for the event while underway aboard their respective vessels. (U.S. Navy photo by Mass Communication Specialist 1st Class Christopher D. Blachly) File# 091006-N-0555B-471