Naval Surface Warfare Center, Carderock Division (NSWCCD) completed Military Sealift Command hospital ship USNS Mercy (T-AH19) Anemometer Positioning Evaluation (APE) testing in support of Naval Air Systems Command (NAVAIR) and Military Sealift Command (MSC), Feb. 8. The testing focused on measuring the airflow of anemometers, wind measurement sensors that are installed on the superstructure of U.S. Navy ships. The APE testing is required to complete the aviation certification process following a new helicopter hangar installation on the ship’s superstructure.