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What does TTIS Stand For in Government & Military ?
For TTIS we have found 22 definitions.
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What does TTIS mean? We know 22 definitions for TTIS abbreviation or acronym in 5 categories. Possible TTIS meaning as an acronym, abbreviation, shorthand or slang term vary from category to category. Please look for them carefully.
TTIS Stands For:
Rank | Abbreviation | Meaning | |
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***** | TTIS | Total Time in Service |