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.
SF-86 for Reservists and Guard Members: Orders, Addresses, and Jobs
How Reserve and National Guard members can list drill status, active-duty orders, residences, civilian jobs, and gaps on the SF-86, with official sources.
SF-86 Relatives: What Section 18 Asks For
Which family members Section 18 covers and what to gather for each, including relatives abroad.
SF-86 Education History: What Section 12 Asks For
How far back Section 12 goes, what it asks for each school, and where to find your dates.
How to Fill Out the SF-86 in eApp
What to expect in NBIS eApp, what to have ready, and how to finish accurately.
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 and SEAD 3 Self-Reporting
What cleared people must report under SEAD 3, how Continuous Vetting works, and how to keep a simple record, with a free printable checklist.
SF-86 Subject Interview Prep
What the subject interview is, what to bring, common topics by section, and how to stay consistent with your form, with a free practice tool.
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.
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.
SF-86 Foreign Contacts and Foreign Activities: Sections 19 and 20
What SF-86 Sections 19 and 20 ask about foreign contacts, foreign financial interests, and foreign travel, and how to gather the details before you open eApp.
SF-86 References and Verifiers: Choosing People Who Know You
How to pick SF-86 references for Section 16 and verifiers for addresses and jobs, what contact details to gather, and how to give them a heads-up.
SF-86 Police Record (Section 22): How to Answer Accurately
What SF-86 Section 22 asks about arrests, charges, citations, and court records, which questions cover 7 years versus ever, and how to gather the records.
SF-86 Drug Use Questions (Section 23): How to Answer Accurately
What SF-86 Section 23 asks about illegal drug use, prescription misuse, and treatment, how marijuana is treated under federal law, and how to prepare.
Answering a Security Clearance SOR: How the Process Works
What a Statement of Reasons (SOR) is, the deadlines, how to respond to each allegation with mitigation and documents, and when to get help.
ClearanceTrail vs. a Spreadsheet for SF-86 History
An honest comparison of tracking your SF-86 addresses, jobs, and travel in a spreadsheet versus ClearanceTrail, with the trade-offs of each.
Get the Free SF-86 Readiness Checklist
A free PDF of what to gather for each major SF-86 section 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 Asks
ClearanceTrail turns old leases, emails, and orders into one private, encrypted timeline that flags every gap and overlap. Free to start.