 Air Groups from "Enterprise", "Wasp" and "Saratoga" conducted regular anti-submarine patrols and combat air patrols to keep prying eyes at bay while the carriers' own scouts attempted to discover the Japanese force.Simultaneously, the Japanese were searching for the Americans with their own carrier contingent containing and , as well as the light carrier .On 22 August, Vorse cut down one reconnaissance plane—a Kawanishi flying boat—before it could get within 25 miles of the task force.