Was he a replacement or did he ship out with the division?

The 395th Infantry Regiment was in the 99th Infantry Division.

The 99th ID first saw action Nov 9 1944.

The 89th Infantry Division did not see action until Jan 1945.

I'm leaning toward him being a replacement in the 395th IR of the 99th ID.

16 Dec 1944 was the start day of the German Ardennes Offensive (Operation Watch on the Rhine), or as we call it The Battle of the Bulge. The 99th was supporting the 2nd ID in it's attacks toward the Roer River, south of the Hurtgen Forrest, on what became the north shoulder of the bulge. Following German breakthroughs at Losheim, the 99th became embroiled in the defense of the twin villages of Rochrath and Krinkelt, to allow the 2nd to extricate itself from it's very forward position as it attacked toward the Roer. The 99th took grevious casualties east of the twin villages. They evenutally passed through to the west and became part of the defense of Elsenborn Ridge. The division was rebuilt in place and participated in the reduction of the Bulge.

The division went into reserve 1 Feb 1945, except for the 395th, which was attached to the 1st ID in it's attacks near Hellenthal. The whole division went into reserve 11 feb 1945. On 2 Mar 1945, the detached 395th assisted the 3rd Armored Division in tehe Pfaffendorf bridgehead on the Erft River. The division moved east and crossed the Rhine River at Remagen on 10-11 Mar 1945 then took over defense of the Southern flank of the bridgehead and then expanding it.

I'm out of time. Research the 99th Division, you will find much them as they were involved in some of the pivitol battles late in the European War.

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Best Regards,
JW