Here is the full list of all 43 Brothers in Arms: Hell's Highway achievements worth 1,000 gamerscore.
Triggered 10 Action Camera moments
Destroyed a sandbag emplacement with a bazooka team
Triggered an Action Camera moment with explosives
Used your squad to Suppress and Flank the enemy 10 times
Completed Chapter Two : "Operation Market"
Helped your squad earn 20 kills
Killed 25 enemies while using cover
Captured and fired a German MG42
Found a Recon Point
Found a Kilroy
Ordered your squad to fall-in, move and attack
Completed Chapter One : "Lost"
Triggered an Action Camera moment with fire arms
Suppressed an enemy
Unlocked when you've ordered any of your fireteams to assault the enemy 5 times
Unlocked when the player kills 5 enemies by hitting them with the tank
Unlocked when you destroy an enemy tank
Unlocked when you trigger 25 of any kind of action camera moment
Fight your way to the bridge over the Wilhelmena Canal in Zon.
Battle through the streets of Eindhoven with the 506th.
Escort XXX Corps and link up with the 101st Airborne.
Survive the bombing of Eindhoven.
Explore the abandoned hospital and discover Baker's fate...
Repel Kampfgruppe Walther's crushing attack on Veghel.
Defend Hell's Highway against the German counterattack.
Expel the German forces from Koevering and bring an end to Operation Market Garden.
Find six Recon Points
Find twelve Recon Points
Find sixteen or more Recon Points
Find nine Kilroys
Find eighteen Kilroys
Find 25 or more Kilroys
Unlocked when you are joined by a friend in an online match
Unlocked when your squad appoints you the leader for another round
Unlocked when you win a match under a commander with the Earned in Blood achievement
Unlocked by killing someone who has the Truly Inspired achievement
Unlocked after completing your first four player capture game
Unlocked after completing five capture games (minimum four players per game)
Unlocked after completing 20 capture games (minimum four players per game)
While connected to Xbox LIVE, play the game once a day for 7 days
While connected to Xbox LIVE, play the game once a week for three months
While connected to Xbox LIVE, play the game for once a day for 100 days
While connected to Xbox LIVE, play the game on September 17th.