Zodiac commando boats arrive at the rear of the French luxury yacht Le Ponant, whose crew was held hostage by pirates, in April 2008. The French navy frigate Le Commandant Bouan is seen in the background, off Somalia's coast. Reuters/Landov hide caption

itoggle caption Reuters/Landov

Troops from the EU Naval Force warship FS Aconit intercepting a group of suspected pirates off Somalia in March 2012. Multinational naval patrols in the area have been partly credited with reducing incidents of piracy. Danile Costantini/Maxppp/Landov hide caption

itoggle caption Danile Costantini/Maxppp/Landov

The Groupama Sailing Team (shown here on Dec. 10 near Cape Town, South Africa) is somewhere out ahead in the "stealth zone." Volvo Ocean Race/Getty Images hide caption

itoggle caption Volvo Ocean Race/Getty Images