SF-86 and Security Clearance Guides
Short, sourced guides to help you get your history ready before the form asks. Every guide links to the official source.
What Is the SF-86?
The SF-86 is the federal questionnaire for national security positions. Learn who fills it out, where (NBIS eApp), what it asks, and how to prepare.
How Long Does a Security Clearance Take?
Latest DCSA-reported timelines for initial Secret and Top Secret clearances, what each phase involves, and what you can control. Updated October 2026.
Continuous Vetting, Explained
What continuous vetting is, how it replaced periodic reinvestigations under Trusted Workforce 2.0, and what it means for self-reporting and your records.
How to Find Old Addresses You Lived At
Rebuild 10 years of address history with free sources: credit reports, USPS change-of-address emails, leases, utilities, DMV and voter records, and PCS orders.
SF-86 Employment History: 7 or 10 Years?
The SF-86 asks for 10 years of employment with no breaks. Some questions within each job look back 7 years. Here's what's 10, what's 7, and how to prepare.
SEAD 3 Self-Reporting, Explained
What SEAD 3 asks cleared people to report, when to report it, and how to keep a simple record so continuous vetting and reinvestigations go smoothly.
Foreign Travel Reporting With a Clearance
How SEAD 3 handles personal foreign travel: itineraries, approval, the 5-business-day rule, Canada and Mexico day trips, and what the SF-86 asks about travel.
Changing Jobs With a Security Clearance
What happens to your clearance and your SF-86 records when you change cleared jobs, what your old and new employer report, and how to keep your history current.
How to Prepare for a Reinvestigation
A checklist for clearance holders updating their SF-86 for a reinvestigation or continuous vetting: what changed, what to gather, and how to avoid gaps.
How to Prepare for the SF-86
Which SF-86 sections look back 10 years, which look back 7, and a simple plan to gather addresses, jobs, references, and travel before you open eApp.
SF-86 Section 26: Financial Questions Explained
What SF-86 Section 26 asks about bankruptcy, taxes, delinquent debt, collections, and garnishment, the 7-year lookback, and how to gather your records first.
Common SF-86 Mistakes That Cause Delays
The SF-86 errors that most often slow things down: date gaps, missing verifiers, old contact info, unsigned releases, and answers that don't match records.
Moving Often as a Service Member: Tracking Your Address History
How service members can rebuild 10 years of SF-86 addresses after PCS moves, barracks, base housing, and deployments, and keep the record current.
Get the Free SF-86 Prep Checklist
A two-page PDF of everything to gather before you open eApp:
- Addresses, jobs, and references for the full coverage period
- Military housing, PCS moves, and APO/FPO tips
- Foreign travel, contacts, and finances to have ready
Get Your History Ready Before the Form Is
ClearanceTrail turns old leases, emails, and orders into one private, encrypted timeline that flags every gap and overlap. Free during the beta.