Employer Support of the Guard and Reserve (ESGR) is a Department of Defense organization established to promote cooperation and understanding between Service members and their civilian employers and to assist in the resolution of conflicts arising from the employee's military commitment. The ESGR Ombudsman Services Program provides neutral counseling and mediation of issues relating to compliance with the Uniformed Services Employment and Reemployment Rights Act (USERRA).

Retired Air National Guard Service members are not eligible for ESGR services. 

For more information, please see the ESGR webpage maintained by the Employer Support of the Guard and Reserve:
https://www.esgr.mil/

What is USERRA:
https://www.esgr.mil/USERRA/What-is-USERRA