At 08:15, a "Yorktown" plane saw Gotō's force. He reported two carriers and four heavy cruisers" at , northwest of TF17. Fletcher thought he had found the Japanese main carrier force. He ordered all available carrier aircraft to attack. By 10:13, the American force of 93 aircraft – 18 F4F Wildcats, 53 SBD dive bombers, and 22 TBD Devastator torpedo bombers were flying. At 10:12, however, Fletcher received a report from three United States Army B-17s of an aircraft carrier, ten transports, and 16 warships.