What was the primary reason for the opening of Cressy Aerodrome in 1939?

A. To serve as a base for combat operations during World War II
B. To act as a base for the Royal Australian Air Force's fighter squadrons
C. To provide a location for the storage of military equipment and supplies
D. To accommodate the increasing number of aircraft at RAAF Base Laverton and RAAF Base Point Cook
Answer: 