How close is the South Korean standing at attention to natural posture? I think the head is held up too high. Are there any other problems?

A South Korean soldier keeps watch northwards as he stands guard on the south side of the truce village of Panmunjom in the demilitarised zone separating the two Koreas in Paju, north of Seoul April 28, 2010, as a group of media people visit during a media tour organised by the U.S. Forces Korea. (Reuters/Daylife)