Windows is a complicated armed forces code which really means "Dead on Site". "Dead on Site"'s acrynym is DOS and since DOS is linked to Windows they recoded it to Windows.
-"Base to CRO ((Cheif Radio Operator)), what's the TC ((tent city, code for prison camp)) look like?
-"CRO to base, we have 10 POWs who've gone through the Windows, 5 with a pal ((code for mal pal which is code for malaria)) and five friends of Jack ((Hungry Jack meals are prized possessions so friends of Jack would be people starving)).
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