Pedzisa mutsara unotevera: Dr. McHenry akabatana neUnited States Volunteers muna 1898, ari chiremba anovhiya ane chinzvimbo chomukuru mukuru. Akashanda muHondo yeSpain neAmerica muCuba,
Kumukira kwePhilippine, uye muChina. Muna 1903, Dr. McHenry akabudiswa muU.S. Medical Corps aine chinzvimbo chemajor.