Super Junior leader Leeteuk is going to the army on the 30th of next month.

According to SM Entertainment, Leeteuk will go the 306 base, to receive basic army training for 5 weeks then will begin his military service for 21 months.

Leeteuk debuted on 2005 as Super Junior, showing active performances with powerful and strong image. His spinal injury got worse after the car accident that occurred in 2007 but on his own will, decided to be in active duty service.

Leeteuk will be leaving his host as host on SBS "Star King," and "Strong Heart," showing his witty humor sense, and will step down from the program according to the schedule.

Leeteuk will be absent from the next SMTOWN concerts in Singapore on November 23 and Thailand on November 25.

Super Junior finished up successful activities of sixth album Sexy, Free & Single.