Robert Hornung: Life of a Grunt in the Hot Jungle marc.zarefsky2022-06-09T06:13:35-05:00 Robert Hornung grew up on the south side of Chicago. His older brother served in the Korean War. He volunteered for the draft in 1968, at age 18. Robert Hornung: Life of a Grunt in the Hot Junglemarc.zarefsky2022-06-09T06:13:35-05:00