. ▁ ▁In ▁ 1 9 5 3 ▁Do ig ▁was ▁promoted ▁to ▁Major ▁in ▁the ▁Royal ▁Australian ▁Army ▁N urs ing ▁Corps . ▁She ▁became ▁mat ron - in - ch ief ▁and ▁director ▁of ▁the ▁Army ▁N urs ing ▁Service , ▁on ▁ 2 3 ▁May ▁ 1 9 6 1 . ▁She ▁was ▁then ▁promoted ▁to ▁Lieutenant ▁Colonel ▁in ▁ 1 9 6 3 . ▁As ▁Command ing ▁Office ▁of ▁the ▁ 1 st ▁Australian ▁Field ▁Hospital , ▁Do ig ▁tou red ▁South ▁Vietnam ▁in ▁ 1 9 6 9 . ▁ ▁Do ig ▁retired ▁as ▁Colonel ▁on ▁ 2 1 ▁June ▁ 1 9 7 0 . ▁ ▁Awards ▁and ▁hon ours ▁ ▁In ▁the ▁ 1 9 5 3 ▁Queen ' s ▁B irth day ▁Hon ours , ▁Do ig ▁was ▁made ▁an ▁Associ ate ▁of ▁the ▁Royal ▁Red ▁Cross ▁( AR RC ). ▁She ▁was ▁decor ated ▁with ▁the ▁award ▁by ▁Queen ▁Elizabeth ▁II ▁at ▁Government ▁House , ▁Sydney ▁on ▁ 6 ▁February ▁ 1 9 5 4 . ▁ ▁Do ig ▁received ▁the ▁Royal ▁Red ▁Cross ▁( 1 st ▁Class ) ▁( Im per ial ) ▁in ▁the ▁ 1 9 6 3 ▁New ▁Year ▁Hon ours ▁for ▁her ▁service ▁in ▁the ▁Royal ▁Australian ▁Army ▁N urs ing ▁Corps . ▁ ▁She ▁was ▁awarded ▁the ▁Florence ▁Night ing ale ▁Medal ▁in ▁ 1 9 6 9 ▁as ▁one ▁of ▁the ▁ 2 2 nd ▁Awards . ▁She ▁received ▁the ▁medal ▁from ▁Lady ▁Has l uck ,