Could be a lot of things, but probably means Weather Searvice International, as in:
WSI Fire & Emergency Services
Camp Cedar II T2
APO AE 09331
WSI F&ES - Camp Liberty
APO AE 09342
Apo ae 09364
Apo ae 09382
Apo ae 09354
OPSEC please..... APO AE 09310
Hi
Fob Walton, APO, AE 09355
The address for FOB Shinwar would be: Rank Soldier's name Company they belong too FOB Shinwar APO, AE 09310
APO AE 09399 = Rhein Main AMT, Germany APO AE 09356 = invalid ZIP Code
APO AE 09393
apo ae 09751
APO AE 09333 is an Army Post Office (APO) address that serves military personnel stationed overseas, specifically within the European region. The "AE" designation indicates that it is part of the Armed Forces Europe. The specific location of the military unit associated with this APO address is not publicly disclosed for security reasons.
OPSEC. You'll need to get the address from the unit's rear detachment or from your soldier.