Herbert Joseph Costello (SN 1517/21248) born in Ballarat, was a 22 year old labourer when he enlisted in Sydney on August 29th 1914. With the 3rd Infantry Battalion he embarked aboard the Euripides on October 20th destined to take part in the Gallipoli landing on April 25th 1915. An unspecified wound plus an illness forced his evacuation to Lemnos in August. Further illnesses meant he did not rejoin his unit until December 1916, in France. A toe amputation led to his return to Australia aboard the Corinthic and his discharge medically unfit on May 8th 1918. He re-enlisted four months later on September 2nd , this time with the Australian Medical Corps, and embarked aboard the Zealandic on October 5th. He served at hospitals in England until he returned aboard the Ormonde, disembarked on August 1st 1919 and was discharged on November 11th.