Complex sentence: Separated from his comrades, Lt. Rowe spent 62 months in captivity with only brief encounters with fellow American POWs, until finally escaping from his Vietnamese captors on December 31,1968.
Split into simpler sentences: Separated from his comrades, Lt. Rowe spent 62 months in captivity with only brief encounters with fellow American POWs. He escaped from his Vietnamese captors on December 31,1968.