Tree lighting marks holiday season at 425th ABS Published Dec. 17, 2012 By Tanju Varlikli 425 Air Base Squadron host nation advisor IZMIR AIR STATION, Turkey -- Members of the 425th Air Base Squadron gathered at the Izmir chapel to welcome in the holiday season with a tree lighting ceremony Dec. 7, 2012. The ceremony is an annual event at Izmir that gives members of the community an opportunity to come together and celebrate with refreshments and carols.