He succeeded Colonel Matthew C. Horner at this post .
Batchelder remained in command of the regiment until 31 October 1944 , when he was appointed chief of staff of 4th Marine Division .
Batchelder succeeded Colonel Matthew C. Horner at this post .
Batchelder remained in command of the regiment until 31 October 1944 , when he was appointed chief of staff of 4th Marine Division .