Osan Shopping Trip Saturday, April 19, 8 a.m. Fee: $10 Transportation. Registration: Sign up at the Stanley CAC on or before Thursday, April 17. Spend a full day shopping at the Osan Exchange or the local community just outside the Osan AFB Main Gate. Must have a least 20 participants for this activity to take place. The bus departs Osan for the return trip at 3:30 p.m. For more information, call 732-5366.