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• » 27 Jun 1943

• British Chiefs of Staff circulated the "German Long-Range Rocket: Evidence Received from All Sources" report with details of German rockets potentially capable of carrying 2 to 8 tons of high explosives. ww2dbase [CPC]
• Heinrich Himmler ordered a new procedure for testing the children born of Eastern European forced laborers; those tested racially inferior were to be left in inadequately-supplied centers for foreign children, where many of whom would die from malnutrition and lack of care. ww2dbase [Heinrich Himmler | CPC]
• U-23 began her tenth war patrol. ww2dbase [U-23 | CPC]

• Companies Q and P of the US Marine Corps 4th Raider Battalion arrived at Segi, New Georgia to join the remainder of the battalion which had already landed six days prior. They were immediately deployed to attack the small naval base at Viru Harbor. ww2dbase [Solomon Islands Campaign | Segi, New Georgia | CPC]

• Submarine USS Thresher stopped and boarded two sailing schooners in the Java Sea, the "Tiahia-Asia" and the "Constantinopel." After establishing both were crewed by "natives" and after examining the cargoes, both vessels were allowed to continue. ww2dbase [Thresher | Java Sea | DS]

• Despite the Möhne reservoir dam and the Edersee reservoir dam still damaged from the 17 May 1943 British raid, total water output was restored to full capacity by this date, achieved by the implementation of the emergency pumping scheme inaugurated the previous year. ww2dbase [Dambuster Raid | CPC]

• USS S-35 detected a Japanese freighter in the Kurile Islands but failed to close in on the ship due to the submarine's slow speed. ww2dbase [S-35 | Hokkaido | CPC]

• Destroyer USS Saufley departed Efate, New Hebrides as part of Task Force 34 bound for the Solomon Islands. ww2dbase [ | | | | Saufley | | Efate | DS]

• USS S-28 departed the Puget Sound Navy Yard, Bremerton, Washington, United States for the Aleutian Islands. ww2dbase [S-28 | Puget Sound Navy Yard | Bremerton, Washington | CPC]

27 Jun 1943 Interactive Map