Dressed in WWI uniforms, members of the 3rd U.S. Infantry Regiment, “The Old Guard,” stand next to historian Todd Rambow at the Pentagon following a ceremony to commemorate the 100th ...

Carl Yoder with his father Leonard Yoder’s 1918 dress Navy jumper, black neckerchief and bell-bottom pants, on display through Oct. 14, 2017 at the Wilton Historical Society.Contributed photo ...

Some countries, including the United States, Australia, Britain and Canada, carry out genealogical research to try to trace descendants, including DNA tests if any are found.

For those not into a training day, the Signal Hill Tattoo will — for the first time — this summer don the regiment's uniform from the First World War era, in order to re-enact training and drills.