[PapaBear3625]

http://cinchouse.com/Deployment/tabid/83/ID/471/But_I_thought_I_was_with_the_Navy.aspx

GSA = Global War on Terror support assignment

IA = individual augmentation

[lentulusgracchus]

Thanks, "Papa" .....

Back in the day, "augmentation" meant designator conversion from a USNR to a USN line designator, e.g. 1105 unrestricted line Reserve officer, to 1100, which is unrestricted line USN officer.