[6] Beginning in 2008, the Army's Program Executive Office Soldier outfitted soldiers of the 101st Airborne Division and 4th Infantry Division bound for Iraq with helmet-mounted sensors designed to gather data on head injuries (or traumatic brain injuries) caused during IED detonations.

[citation needed] An OCP cover for the Advanced Combat Helmet began fielding in late 2009 for soldiers deployed in Afghanistan.

[10] On March 7, 2016, Armorsource LLC agreed to pay $3 million to settle False Claims Act allegations.

Compared to the PASGT helmet, the front brow is eliminated to improve upwards visibility and allow easier mounting of night-vision goggle brackets.

[13] In 2007, the Army developed and introduced a ballistic "nape pad" that attaches to the ACH's rear suspension system and coincided with the introduction of the Improved Outer Tactical Vest (IOTV).

The helmet cover may also have small squares of infrared reflective material on the sides, top, and rear which illuminate when viewed through thermal imaging, allowing for friend or foe identification during combat.

A pair of Cordura straps can be mounted on the rear of the helmet to aid in the retention of protective goggles.