Born in Kohala, Hawaii, Takeichi Miyashiro graduated from Hilo High School. He was part of the first draft and entered the army on December 8, 1940. He was sent to Molokai where he met Spark Matsunaga who was stationed there.
Miyashiro was wounded and captured in October 1944 and ended up in a POW camp in Poland that was liberated by the Russians. From the Russian port of Odessa, he was placed on a ship bound for Egypt. From there he went to Naples, Italy and then on to Miami, Florida and finally to Hawaii.