From Millerstown and the surrounding vicinity, local residents answered the country's call and enrolled for service from 1917 to 1919 during World War I. The roll of those who served includes Wilbur G. Anderson, Robert H. Garman, Edward S. Knight, Walter A. Smith, Ralph E. Acker, Lee T. Allen, Raymond S. Anderson, V. L. Aughe, George A. Barner, John A. Barnes, Ralph G. Beaver, Frank R. Bixler, Andrew S. Black, Jonathan R. Black, Frank A. Bostwick, Israel Brown, Emery A. Bucher, Harry R. Burkepile, George J. Cameron, Joseph C. Campbell, Emery J. Cauffman, Wesley M. Cauffman, George Coffman, Guy Diffendafer, Earl Dillman, William R. Dimh, John J. Doughten, Wm. H. Fahnestock, J. Herbert Ferguson, Sherman L. Fosselman, Emery R. Fry, Montgoemry Gearhart, Norman M. Grubb, Roscoe W. Hall, J.L. Hogentogler, A.L. Holman, Edward L. Holman, James R. Jones, Henry M. Keisling, Lawrence L. Knight, James L. Kramer, Jacob A. Kretzing, J. Banks Lahr, Carl Lauver, Thomas P. Leonard, C.W. Liddick, H.J. Liddick, Wm. T. McConnell, M. Luther McDonald, Robert C. McDonald, Ralph N. McNaughton, Ross Mangle, Norman S. Markley, Leroy Marks, Earl H. Miller, Ezra M. Minium, Lewis M. Mitchell, George G. Newman, Warren V. Newman, Clarence E. Paden, Harry C. Pontius, Clarence R. Powell, D.S. Powell, Charles W. Reisinger, Simon L. Rhoads, S. Nelson Rounsley, John W. Roush, Raymond A. Rowe, Warren S. Sarver, Roscoe L. Satzler, Robert F. Shenk, Paul R. Smith, Ernest B. Snook, Percy E. Stewart, Gasper W. Swartz, John H. Swartz, W. Rodney Taylor, Horace J. Troutman, C. Kenneth Ulsh, Edgar A. Ulsh, James E. Ulsh, Harry Wagner, D. Earl Ward, Harry J. Yeigh, George G. Yohn, and Annabelle D. Frey. They served with no selfish ends so that the principles of right might be established throughout the world.