Posted on Dec 9, 2020
SGT Infantryman
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I am currently waiting on TS/SCI clearance to reclass into 35M
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MSG Gary Eckert
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T3 is short for Tier 3 investigation and the R stands for reinvestigation. The tier system replaced what had previously identified by the investigation completed and Tier 3 level investigations had.gone by several names through the years. Most recently NACLC if I remember correctly. A favorable T3 makes you eligible for a secret clearance if you require a secret clearance. It is also necessary for some other positions of trust not necessarily involving classified information.
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SFC Michael D.
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