The 65-page report details the specific errors that led to the USS Harry S. Truman's collision with a merchant vessel on Feb. 12 near Port Said, Egypt.
A senior defense official said Deputy Secretary of Defense Kathleen Hicks was not notified until Thursday that Austin had been hospitalized since Jan. 1.
The Air Force recovered the flight data recorder from the Air Force CV-22B Osprey that crashed off the coast of Japan on Nov. 29, and the data is intact.