How does infantry cammo work with friendly fires in messy engagements?
Where frontlines are unclear and units positions are chaotic how do modern infantry balance cammo with the visible signals that your friendly?
In ukraine there is an odd contradiction between common and high vis blue, yellow, and red tape.
How have other armies dealt with this, epecially in civil wars?
I have not seen colorful or unique uniforms or IDs in places like Syria, Yugoslavia, or Iran-Iraqi (save for IRGC headbands).