Their "N" letter looks like an "H." You are confusing it with their letter for "I", which looks like a mirror-reversed "N". But they use "Z" because it is distinct from any Cyrillic letter, as a battlefield identification to prevent friendly-fire accidents.
Their "N" letter looks like an "H." You are confusing it with their letter for "I", which looks like a mirror-reversed "N". But they use "Z" because it is distinct from any Cyrillic letter, as a battlefield identification to prevent friendly-fire accidents.