Complex sentence: At the outbreak of the Korean War, Puller was once again assigned as commander of the 1st Marine Regiment, with which he made a landing at Inchon on September 15,1950, and was awarded the Silver Star Medal.
Split into simpler sentences: At the outbreak of the Korean War, Puller was once again assigned as commander of the 1st Marine Regiment. He participated in the landing at Inchon on September 15,1950, and was awarded the Silver Star Medal.