<P> Various militaries have specific rules that regulate leaves . British troops in World War I received leave for "Blighty" every 15 months . </P> <P> "Block leave" is the time allotted to be spent with families independently of their units and where they must not report to their units while on rotation from their tours . </P> <P> A furlough is an extended period of leave from front line service in order to return home . For example, during World War II New Zealand soldiers who had served overseas for long periods (usually three or more years) were granted a "furlough" for a visit home . These soldiers on leave were called "furlough men" </P>

What is it called when a soldier is sent home