Complex sentence: He served in the U.S. Army in the Pacific Ocean during World War II, primarily as an entertainer, although he claimed to have been tortured for some time as a POW, stories of the circumstances of his actual capture vary.
Split into simpler sentences: He served in the U.S. Army in the Pacific Ocean during World War II, primarily as an entertainer. Although he claimed to have been tortured for some time as a POW, stories of the circumstances of his actual capture vary.