Assignment Satisfaction Key. It stands for Assignment Eligibility Availability (AEA) code. Its basically a code that describes your eligibility to PCS/ transfer to another base or unit and if there is a letter or number next to it,. CDC 3S071 Vol 3 edit code 2 Flashcards. I am planning to apply for early separation from USAF to go to medical school. However, I just had a PRK laser eyes surgery on 09 Dec 2009. Currently I have an Assignment Availability Code (AAC) for Medical deferment for the eye surgery that I had with expiration date 09 Apr 2010.. USPTO Systems Status and Availability. 539.308.721.2.. what does AEA stand for on my ERB. Limitation Code Clear Early Separation from US Air Force. Enlisted Assignments and Utilization Management.In his ERB it reads: AEA/Dt U/201008. I have reviewed the latest of AR 614–200 and I am not seeing the U code! What does this mean?. I am currently writing a seat booking programming for