Ribbon: Red with black/red/yellow central stripe and the year of award.
Instituted: 10 August 1950.
Awarded: For a high level of technical skill and a willingness to train others.
Grades: 1, but each year is dated.
1950 |
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1951 |
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1952 |
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1953 |
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1954 |
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1955 |
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1956 |
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1957 |
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1958 |
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1959 |
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1960 |
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1961 |
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1962 |
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1963 |
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1964 |
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1965 |
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1966 |
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1967 |
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1968 |
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1969 |
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1970 |
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1971 |
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1972 |
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1973 |
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1974 |
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1975 |
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1976 |
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1977 |
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1978 |
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1979 |
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1980 |
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1981 |
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1982 |
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1983 |
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1984 |
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1985 |
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1986 |
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1987 |
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1988 |
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