He spent his entire career as a medical officer in the Dutch Army.

He spent the next few years as a naval officer before finally receiving his doctorate in 1968, and began teaching in Paris.

Most of his earlier career was spent as an officer in the United States.

He spent 1956 through 1961 as a political and consular officer in Havana.

He returned to the field in 1976 and spent the next four years as a political-military officer in Paris.

I have spent most of my time in the Mirror Lancers as a fighting officer.

Although Rivière spent most of his adult life as a naval officer, he was also ambitious for literary distinction.

He spent 37 years as an officer and retired as a four-star general.

He spent much of the year as a recruiting officer, helping raise additional troops.