Super Junior's Leeteuk has sent the�SBS 'Strong Heart' family a letter from the army. The letter will be revealed on the December 11th broadcast of the show.

Leeteuk addressed the touching letter to "the 'Strong Heart' family and viewers," and it's said to describe his experiences so far as a soldier, living in the training camp, as well as his greetings and well wishes for the rest of the 'Strong Heart' family. He left for the beginning of his mandatory service on October 30th, and he's also made headlines for receiving perfect marks in shooting.

In related news, the newest 'Strong Heart' episode will feature Park Chan Min and his daughter Park Min Ha, Jo Hye Ryun, Kim So Hyun, top model Hye Park, ZE:A's Kwanghee, MYNAME's Insoo, Rainbow's Jisook, and director�Yang Ik Joon, who directed the hit KBS drama 'Nice Guy'.

This episode will air on the 11th at 11:15PM KST.