Sikorsky-CH-53K-1920×1125.jpg.pc-adaptive.990.medium The CH-53K helicopter is the best choice for handling missions like humanitarian aid, troop transport, casualty evacuation (CASEVAC), support of special operations forces, and combat search and rescue (CSAR). No matter the mission, the aircraft provides the highest degree of safety for its crew and occupants in all conditions. 2020.04.20