0 a period of time that someone, especially a soldier or an official, spends working in a foreign country: --
We warmly welcome his successor for what we are confident will be a long and successful tour of duty.
The normal tour of duty abroad is 2½ years for men and two years for women.
The average tour of duty with an individual submarine is about two years.
The tour of duty has been extended from three months to six months.
None of the officers currently deployed is serving a six-month tour of duty.
There is no limit for members of the forces who are serving on a tour of duty overseas of over four months.
Before and after his tour of duty, he may get leave of 14 days or thereabouts.
Seven, all volunteers, have either completed more than one tour of duty or are currently doing so.
