What is a T3 clearance?
Andrew Mclaughlin
Updated on January 20, 2026
T3 is the investigation required for positions designated as non-critical sensitive and/or requiring eligibility for "L" access or access to Confidential or Secret information. T3R is the reinvestigation product required for the same positions. The Standard Form (SF) 86 is used to conduct these investigations.
Is Tier 3 a secret clearance?
Tiers Three and Four – Secret Security Clearance & High Risk Public Trust. This clearance tier means that you are allowed access to information or material that could cause grave danger to the security of the United States if it were disclosed. Tiers 3 and 4 are included under this category.What are the 5 levels of security clearance?
Contents
- 3.2.1 Controlled Unclassified.
- 3.2.2 Public Trust Position.
- 3.2.3 Confidential.
- 3.2.4 Secret.
- 3.2.5 Top Secret.
- 3.2.6 Compartmented.
How long does a T3 clearance last?
The Tier 3R investigation is a Periodic Reinvestigation (PR) required for all Secret and Confidential clearance. Currently PRs are required at 10-year intervals for Secret clearances and at 15-year intervals for Confidential clearances.How far back does a Tier 3 investigation go?
The T3 InvestigationThe New T3 is now all the same for military, civilian and contractor positions. The new scope is the last 5 years.
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What does T3R mean?
The tooth-to-tail ratio (T3R), in military jargon, is the amount of military personnel it takes to supply and support ("tail") each combat soldier ("tooth").What disqualifies you from getting a security clearance?
These conditions may disqualify you from access to classified information: Drug abuse. Illegal drug possession. Diagnosis of drug abuse or dependence by a medical professional.What is the highest level of security clearance?
There are three levels of security clearance, with the highest level being Top Secret. Secret is the next level of clearance and Confidential is the final. 6.What do they look for in a security clearance?
Credit and criminal history checks will be conducted on all applicants. For a Top Secret security clearance, the background investigation includes additional record checks which can verify citizenship for the applicant and family members, verification of birth, education, employment history, and military history.What questions are asked for security clearance?
Questions about experience and backgroundCan you tell me about your law enforcement experience? Have you ever held a security clearance before? Have you ever had access to classified or top-secret information before? What do you consider your most important technical skills?