Here is the full list of all 43 Brothers in Arms: Hell's Highway achievements worth 1,000 gamerscore.
Played Hell's Highway on the anniversary of Operation Market Garden
Ordered your squad to Assault the enemy 5 times
Completed Chapter Ten: "Tooth and Nail"
Found 25 or more Kilroys
Completed Chapter Nine: "Hell's Highway"
Completed Chapter Eight : "Black Friday"
Destroyed an enemy tank
Completed 20 games of Capture with four players
Played a multiplayer game and killed someone who had the Truly Inspired achievement
Completed 5 games of Capture with four players
Earned the respect of your squad by being voted to stay in command
Won a match under the command of a player with the Earned In Blood achievement
Completed a game of Capture with at least four players
Joined by a friend in an online match
Completed Chapter Seven : "The Rabbit Hole"
Found eighteen Kilroys
Completed Chapter Six : "Baptism of Fire"
Completed Chapter Five : "Operation Garden"
Triggered 25 Action Camera moments
Killed 5 enemies with the hull of a tank
Completed Chapter Four : "Written in Stone"
Found nine Kilroys
Completed Chapter Three : "The Five Oh Sink"
Triggered an Action Camera moment with explosives
Destroyed a sandbag emplacement with a bazooka team
Triggered 10 Action Camera moments
Killed 25 enemies while using cover
Completed Chapter Two : "Operation Market"
Ordered your squad to fall-in, move and attack
Helped your squad earn 20 kills
Captured and fired a German MG42
Used your squad to Suppress and Flank the enemy 10 times
Triggered an Action Camera moment with fire arms
Found a Kilroy
Completed Chapter One : "Lost"
Suppressed an enemy
While connected to Xbox LIVE, played the game once a week for three months
Played the game on 100 different days
Played the game on seven different days
Found sixteen or more Recon Points
Found twelve Recon Points
Found six Recon Points
Found a Recon Point