Semper Fi

"Makin Atoll, little more than sand, trees and a small Japanese military base. Miller's reconnaissance team landed there almost a week ago, since then we've heard nothing. The waiting's over. We're going in. For all we know they're already dead. If what little we know about the Japanese is true, it might be better if they are."

- Roebuck in the opening of Semper Fi

"Semper Fi" (short for "Semper Fidelis", which is Latin for "Always Faithful") is the first campaign mission of Call of Duty: World at War.

Characters

 * Miller (W.I.A.) (playable)
 * Roebuck
 * Sullivan
 * Pyle (K.I.A.)
 * Denny (Alive/K.I.A.)
 * Lozano (Alive/K.I.A.)
 * Rooker (Alive/K.I.A.)
 * Ryan (Alive/K.I.A.) (player-determined)
 * Cook
 * Henderson (K.I.A.)
 * Allen
 * McCord
 * Nelson
 * Rivera (Alive/K.I.A.)
 * Hutchinson
 * Snider (Alive/K.I.A.) (player-determined)
 * Slayback (K.I.A.)
 * Gallagher

Plot
This mission takes place on Makin Atoll in the Gilbert Islands, part of the British colony of the Gilbert and Ellice Islands, occupied by Japan since August 17, 1942. It depicts the battle of Makin. 

Pvt. Miller from the 2nd battalion of the Marine Raiders, Carlson's Raiders, is held captive by the Japanese forces, and witnesses his comrade, Pvt. Pyle, being tortured and then murdered. Miller is saved by Cpl. Roebuck, who then says "We're gonna make 'em pay for what they've done.".

Miller and the rest of the squad secured the village by killing the Japanese in the area. After the first part of the village is secured the team heads for second squad's position. Along the way, the team faces banzai charges and booby traps. Miller eventually makes his way through the island to rescue the second squad who are pinned down on the beach.

Miller then proceeds to blow up the Japanese bunker, crippling their operation there. While making one's way to the boat, Miller is attacked by an enemy banzai wielding a katana and is wounded, but is then saved by Sgt. Sullivan when he shoots the Japanese soldier with an M1911. Ultimately, Miller is dragged to the boat and witnesses a large explosion, which destroys the base.

Achievements/Trophies
Saved Private Ryan (10 / Bronze Trophy ) - Save Pvt. Ryan before he burns to death.

Carlson's Raiders (10 / Silver Trophy ) - Complete Semper Fi on any difficulty.