World War II: Australian Air Force on New Guinea

A convoy of 22 ships is moving towards Leyte and Samar amidst warnings of large enemy ship concentrations. Up to 60 enemy ships have been identified, photographed, and bombed by Allied pilots. Plans are underway for a coordinated attack, with the Air Force preparing to deploy over 130 planes for the mission.

What were the long warnings about that had come before the events described?

How many planes were reported to take part in the police training?