The 75th Ranger Regiment, unlike to other US. Army units, lacked the shoulder sleeve insignia on their deployment uniforms. The regiment had everyone modify their desert combat uniform to Rangers’ specifications (Lower pockets moved to upper sleeves, with black velcro rectangles sewn on pockets with additional of small velcro square for the glint (reflective) square. Typically Rangers would have worn either reflective or standard US flag patch on right sleeve. Callsign patch with infrared/reflective numbers/letters would’ve be mounted  on left sleeve velcro (not shown). The reflective/infrared patches were used to aid with identification of friendly or foe while wearing a night vision goggles during night operations.