South Korean Sensation Rain Enters Military as Hundreds of Fans Bid Him Farewell. You might remember Rain starring in Wachowskis' Speed Racer and Ninja Assassin . The pop singer-actor’s latest film, " Soar Into the Sun ," will be released in 2012. It certainly seemed so by the turnout of hundreds of fans in Seoul Tuesday that came to bid the singer-actor farewell as he entered military service. Like Elvis , who served two years in the U.S. Army, Rain will be an active-duty solder for the same amount of time with South Korea's Uijeongbu 306 Reserve Battalion. Military service is mandatory for all able-bodied South Korean men. Artist who have tried to avoid duty, have suffered career backlashes, reports the BBC. Rain will be off the public radar for the next two years, but fans will be able to watch him in military action through his air force movie, Soar Into the Sun. In Soar, Jung Ji-hoon – Rain’s real name, which he prefers to use for acti...