Family Separation Allowance (FSA) is payable to soldiers with dependent family members when the soldier is required to be away from their permanent duty station for more than 30 continuous days in a TDY status and their dependents are not residing at or near the temporary station.

Army National Guard Soldiers serving on state active duty are not eligible for FSA.

Department of Defense (DoD) Financial Management Regulation, chapter 27, Family Separation Allowance:

https://comptroller.defense.gov/Portals/45/documents/fmr/Volume_07a.pdf

Defense Finance and Accounting Services (DFAS) allowances information:
https://www.dfas.mil/MilitaryMembers/payentitlements/fsa/

For additional information on possible changes to this benefit as a Wounded Warrior, please visit the Wounded Warrior Pay section of the Defense Finance and Accounting Services (DFAS) website at:
https://www.dfas.mil/MilitaryMembers/woundedwarrior/woundedwarriorpay/