One day in 1995, he put his uniform over his regular clothes and, without telling friends or family, he fell into line with a unit leaving the city.

BBC: Sarajevo 1992: Recognising yourself in a distant war

According to the Third Geneva Convention itself (the one covering POWs), for a person to qualify as a POW and be accorded the treatment proscribed in said convention, that person must be affiliated (either regular army or militia meaning some sort of uniform) with a "High Contracting Power" (a state that was party to the convention but for argument's sake we'll say any state).

CENTERFORSECURITYPOLICY: Amnesty ignorant again

The Knicks only had 10 players in uniform as they push toward the close of the regular season missing some key parts.

WSJ: Anthony scores 31 as Knicks top Cavs 101-91

Then, clogs and headscarves were the uniform of the day and a big sense of community was created with regular social group outings, including crates of beer of course.

BBC: By Nick Bourne