Earlier quoted context omitted.
Perhaps in the dead man zone, not sure this would work well where there is civilian population.
I haven’t heard “dead man zone” (although I don’t really engage much with military stuff so maybe it is just an expression I’m not familiar with). I think “no man’s land” is a pretty popular and similar expression. Out of curiosity, did you translate “dead man zone” from another language? I just find it interesting because it seems conceptually similar but much bleaker, so if it comes from, like, French or German or…
It's the space between trenches. I've been watching a WW1 chronological documentary where they use it, but it's also been said in various ways, as you say.
Said playlist: https://www.youtube.com/playlist?list=PLB2vhKMBjSxOb_127vxja...
Time Ghost makes awesome chrono documentaries for the major wars. And a ton of mini series on special topics.