Any member of the police force employed by a political subdivision who has been a regularly appointed employe of any such political subdivision for a period of at least six months and who thereafter shall, heretofore or hereafter, be inducted into the military service of the United States in time of war, armed conflict or national emergency, so proclaimed by the President of the United States, shall have credited to his employment record, for pension or retirement benefits, all of the time spent by him in such military service during the continuance of such war, armed conflict or national emergency if such person returns or has heretofore returned to his employment within six months after his separation from the service.
53 P.S. § 765