Section 50. Credit for active federal service

For all purposes under this
  chapter, members  of  the  organized  militia  who  entered  the  active
  military  service  of the  United States in time of war or under a call,
  order or draft by the president or  who  hereafter  enter  such  service
  under  like  conditions  or  who  enter  and serve on active duty in the
  military service of the    United  States  in  time  of  peace  and  who
  thereafter  return  to  the  military  service  of  the  state, shall be
  entitled to credit for time so  served  as  if  such  service  had  been
  rendered to the state.