Arrested: October 1942
Sand Island Internment Camp, Honolulu, Oahu Island
Transferred to Mainland: December 1942
Sent aboard the military troopship the Lurline with more than 430 other Hawaii residents for incarceration in Mainland camps.
Jerome Relocation Center, Arkansas
January 1943 - June 1944
Gila River Relocation Center, Arizona
June 1944 - November 1945
Returned to Hawaii: December 1945
Arrived in Honolulu with about 775 other internees aboard the military troopship the Shawnee.
Tatsuo Morikuni married Mildred Mieko Oka in Honolulu shortly before their transfer to the mainland for incarceration. Mildred Mieko was the daughter of Wahei Oka, a barbershop owner, who himself would be arrested within days of his daughter's transfer to the Mainland.
Wahei Oka would spend most of his incarceration at the camp in Santa Fe, New Mexico.
The Morikunis would see two children born under confinement, son Norman Tatsumi in Jerome, Arkansas, and daughter Karen Tamiye in Gila River, Arizona.