Complex sentence: In 1961 Sampson was promoted to full colonel, he served as Seventh Army Chaplain from 1962 to 1965 and then as the USCONARC Staff Chaplain in 1965.
Split into simpler sentences: In 1961 Sampson was promoted to full colonel. He served as Seventh Army Chaplain from 1962 to 1965 and then as the USCONARC Staff Chaplain in 1965.