AF Form 3590: 20 Year Length of Service Certificate

AF Form 3590: 20 Year Length of Service Certificate – Reaching 20 years of federal service is a remarkable achievement for any Department of the Air Force civilian employee. The AF Form 3590, officially titled the United States Air Force 20 Year Length of Service Certificate, serves as a formal and prestigious recognition of this significant career milestone.

This certificate highlights long-term commitment, expertise, and contributions to the mission of the U.S. Air Force and the Department of the Air Force (which includes the U.S. Space Force). For many civilians supporting Airmen and Guardians, it marks two decades of loyal service in roles that keep operations running smoothly—from logistics and administration to technical and support functions.

What Is AF Form 3590?

AF Form 3590 is a prescribed certificate used to recognize Department of the Air Force civilian employees who have completed 20 years of creditable federal service. It is part of the broader civilian recognition program outlined in DoDI 1400.25, Volume 451, as implemented by DAFI 36-1004, Managing the Civilian Recognition Program (updated December 2023).

  • Standard version (AF Form 3590): For U.S. civilian employees.
  • AF Form 3590-1: A variant specifically for foreign national employees (Local Nationals) in certain overseas commands.

The certificate is typically presented during a formal length-of-service awards ceremony, often alongside a service pin. This tangible acknowledgment celebrates the employee’s dedication and the cumulative impact of their work in support of national defense.

Similar forms exist for other milestones:

  • AF Form 3589 (10-Year)
  • AF Form 3591 (30-Year)
  • AF Form 3592 (40-Year)
  • And so on, up to 60 years.

Who Is Eligible for the 20-Year Length of Service Certificate?

Eligibility focuses on civilian employees of the Department of the Air Force (including Air Force and Space Force civilians). Key points include:

  • Completion of 20 years of creditable federal civilian service.
  • The service must generally be in a career or career-conditional appointment, though specific rules may vary by command or HR policy.
  • Foreign national employees may receive the AF Form 3590-1 version in applicable locations (e.g., certain USAFE commands).

Note: This is distinct from military retirement recognition. Active duty, Reserve, or Guard members reaching 20 years typically receive different documents, such as retirement certificates or letters, rather than AF Form 3590.

Supervisors and Civilian Personnel Sections (CPS) or equivalent HR offices usually initiate the process. The certificate is often signed by the appropriate commander or director and presented in a formal setting to maximize its meaning.

How to Obtain or Download AF Form 3590

The most reliable source for official Air Force forms is the Department of the Air Force e-Publishing website (www.e-publishing.af.mil). Search for “AF Form 3590” in the forms section.

Official Download Links (provided for convenience):

Always verify the latest version directly on e-publishing.af.mil, as forms can be updated. Local Civilian Personnel Offices can assist with filling out, printing, and presenting the certificate according to current DAFI 36-1004 guidance.

Tip for supervisors and HR professionals: Ensure all service time is accurately calculated per federal rules (creditable service includes most permanent federal civilian employment). Coordinate with your local CPS for proper processing and ceremony planning.

Why the 20-Year Certificate Matters?

Two decades of service represent far more than time on the job. Recipients of the AF Form 3590 have contributed to:

  • Sustaining air and space superiority
  • Supporting global operations and readiness
  • Mentoring newer employees
  • Advancing the mission through institutional knowledge and expertise

The certificate serves as a proud keepsake that can be framed and displayed. Many recipients view it as validation of their career sacrifices, including deployments, long hours, and unwavering support for the Total Force.

In an era of competitive federal hiring and retention challenges, publicly recognizing long-serving civilians boosts morale and reinforces a culture of appreciation. Commands often combine the presentation with pins, luncheons, or commander’s calls to honor the honoree properly.

The AF Form 3590 is one element of the broader DAF Civilian Recognition Program, which includes monetary awards, honorary awards (such as the Exemplary Civilian Service Award), and other length-of-service milestones. For retirement, additional certificates like the Department of the Air Force Retirement Certificate of Civilian Service (DAF Form 342) may apply.

Military members have separate awards and decorations programs under DAFI 36-2803, so AF Form 3590 remains specific to civilian service.

Final Thoughts: Honoring Two Decades of Service

The United States Air Force 20 Year Length of Service Certificate (AF Form 3590) is a meaningful symbol of gratitude from the Department of the Air Force to its dedicated civilian workforce. Whether you’re a supervisor preparing to recognize a team member, an employee approaching this milestone, or simply researching Air Force forms, this certificate underscores the value placed on loyalty and long-term contributions to America’s defense.

For the most current procedures, consult your local Civilian Personnel Office or visit the official Air Force e-Publishing site. Accurate service computation and timely nomination ensure deserving employees receive this well-earned honor.

Download the official AF Form 3590 today from the trusted e-Publishing sources and celebrate the milestone of 20 years of faithful service.

This article is for informational purposes and is based on publicly available Department of the Air Force publications as of 2026. Always refer to the latest versions of DAFI 36-1004 and e-Publishing for official guidance.