The flag of the 4th Special Operations Brigade (4 BrOP) of the National Guard of Ukraine, named after Hero of Ukraine Sergeant Serhiy Mykhalchuk and bearing the name «RUBIZH,» is blue and yellow.
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| Flag size | 0.9×0.6, 1.05×0.7, 1.35×0.9, 1.5×1, 2.1×1.35, 2.3×1.5 |
|---|---|
| Flag fabric | Satin, Gabardine, Flag Mesh |
| Military unit | |
| Type of troops |













