150427-N-GZ947-106 PACIFIC OCEAN - Gunner's Mate 1st Class Andrew Liley, from San Antonio, stands by to secure an MH-60S Knight Hawk from the Chargers of Helicopter Sea Combat Squadron 14 as it prepares to land aboard USS Freedom. U.S. Navy ships are underway conducting an Independent Deployer Certification Exercise in the Southern California Operating Area. The exercise provides a multi-ship environment to train and certify independent deployers in surface warfare, air defense, maritime interception operations, command and control/information warfare, command, control, computers and combat systems intelligence and mine warfare.