US marines
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'Why I joined the US Marines'

The BBC's Regan Morris meets with an 18-year-old marine in the US to ask him why he joined the military.

Across the globe there are men and women fighting in many conflicts.

In the US, serving in the military is a way for young people to get a subsidized university education.

The BBC's Regan Morris went to San Diego to meet with an 18-year-old marine to ask him why he joined the military.