The Navy is executing its core capabilities as outlined in the Maritime Strategy through operations around the world in March 2011. Two aircraft carriers flew hundreds of sorties in support of operations in Afghanistan. Another carrier departed for the Western Pacific and Central Command. Navy ships provided maritime support for operations in Libya and humanitarian assistance after the Japan earthquake and tsunami. The Navy also conducted counter-piracy, disaster response, construction projects with partner nations, and riverine training with allied forces. As of April 1, the Navy had over 300,000 active personnel, 287 deployable ships and over 3,700 aircraft operating around the world.