Maser was a character in Medal of Honor: European Assault.
Maser can be seen in the cutscene of the first mission along with rest of his squad. Maser then helped Holt to succeeded his mission.
Sergeant Maser was an American soldier who fought in the Ardennes. He had fought with Lt. William Holt during the Battle of the Bulge. During the mission to rescue Manon, he arrived with Sgt. Hall to replace Lt. Ramirez and Lt. Rogers.
Destruction Van Schrader's bunker Edit
Later, he was assigned to the 28th Infantry Division. Him and another soldiers whose Hall, Olsen fought in destruction the Van Schrader's bunker. Although the battle has been tough, Maser succeeded his objective.