U.S. Navy Department (April 10, 1945)
CINCPOA Communiqué No. 328
After beating off two small counterattacks on Motobu Peninsula on the evening of April 9 (East Longitude Date), Marines of the III Amphibious Corps on Okinawa continued their advance on April 10, moving their lines generally about 2,500 yards westward to the Manna River on the south and Unten Bay on the north. Enemy submarine pens at Unten Bay and other installations were captured. On Ishikawa Isthmus, Marines moved northward to the vicinity of Tsuwa Village.
The XXIV Army Corps in the southern sector of the Okinawa battle continued to meet stubborn enemy resistance along its entire front. At 1800 on April 10 there were no substantial changes in the lines. Backed by heavy artillery fire, the enemy made several unsuccessful counterattacks against our positions. Army troops were supported by intense Marine and Army artillery fire by carrier aircraft and by naval gunfire from major units of the Pacific Fleet.
Elements of the XXIV Army Corps landed on Tsugen Island about ten miles off the east coast of Okinawa on the morning of April 10 encountering some enemy resistance.
At the end of April 8, our forces on Okinawa had killed 5,009 of the enemy and had taken 222 prisoners of war. At that time, 43,378 civilians were under care of the U.S. Military Government.
Search aircraft of Fleet Air Wing One bombed hangars and barracks on Tanega Island in the northern Ryukyus on April 10.
Army Black Widow night-fighters strafed and bombed installations in the Bonins on the night of April 9-10. VII Fighter Command Mustangs bombed docks and shipping at Chichi Jima on April 10 scoring a hit on a small cargo ship.
Targets in the Palaus were struck by Hellcat and Corsair fighters of the 4th Marine Aircraft Wing on April 10.