Sounds about right. You definitely need a FFD/MEB, followed by a flying waiver. The Public Health techs that screen you for deployment, and the Doc that processes your DD 2795 SHOULD catch it, but they might not. (You feelin' lucky, punk?) Everything for the MEB should be done at least 120 days before your depart date to allow the flying waiver to route (which needs ACS review), and then to allow the deployment waiver to process through CENTCOM/USAFCENT (or whoever the gaining COCOM is). This is probably doable, and what I recommend you pursue. Otherwise, you're kinda rolling the dice with your career. If you are already seeing a TRICARE network Allergist, or saw one in the last 90 days, half the work is already done. Talk to the local MSME, talk to your FS, and make them prioritize your case. Be persistent and proactive. The condition is listed in the flying waiver guide as "Urticaria, Angioedema, and Anaphylaxis." Don't get discouraged by these standards. The FCII waiver approval rate for Anaphylaxis is remarkably good (~85%).