RAAF Blue

World War II RAAF Astro Theory exam
3 Air Observers school Port Pirie S.A No. 40 Navigators Course: Astro Theory 1. Draw a figure to some convenient scale a) On the plane of the Observers Celestial Horizon b) On...
World War II RAAF Astro Theory exam
3 Air Observers school Port Pirie S.A No. 40 Navigators Course: Astro Theory 1. Draw a figure to some convenient scale a) On the plane of the Observers Celestial Horizon b) On...