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4th Battalion (Commando),
Royal Australian Regiment
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| 1957: | 1st Special Air Service Company │ │ |
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| 1964: | Special Air Service Regiment | ||
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| 1971: | │ | 1st Commando Regiment | |
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| │ │ │ │ |
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from 4th Battalion (Commando), Royal Australian Regiment │ |
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| 2009: | │ | │ | 2nd Commando Regiment |
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│ |
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