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Ray ID: a27469d5bce2365e
Soviet trainer designations, 1923–1940 | |
|---|---|
| Trainer (U) | |
| Seaplane trainer (MU) | |
| Advanced trainer (UT) | |
| Fighter trainer (UTI) | |
| Transitional trainer (P) | |
| Descriptors | |
1 Unknown/not assigned | |