At its peak , the internment camp held 3,700 German prisoners of war .
In 1944 , the Army adapted a major part of the Houlton Army Air Base for use as prisoner of war internment in Camp Houlton .
At Camp Houlton 's peak , the internment camp held 3,700 German prisoners of war .
In 1944 , the Army adapted a major part of the Houlton Army Air Base for use as prisoner of war internment in Camp Houlton .