History of the British Army postal service bawling through a megaphone at each ship "Are you carrying mail?". This system remained in place until the Mulberry Harbours at Arromanches were established to allow mails to be docked more formally. The 6 Airborne Division Postal Unit RE (commanded by Captain JCG Hine RE and as a unit accompanied the Division on its airborne drops during the night of 5/6 June 1944), and the Beach Group APO S698 made the first despatch from Normandy on D+2 (8 June 1944). The main Base Army Post Office (No 8) arrived in theatre on D+10 (16 June 1944) and established itself in
D-Day (military term) originally set for June 5, 1944, but bad weather and heavy seas caused U.S. Army General Dwight David Eisenhower to delay until June 6 and "that" date has been popularly referred to ever since by the short title "D-Day". Because of the connotation with the invasion of Normandy, planners of later military operations sometimes avoided the term to prevent confusion. For example, Douglas MacArthur's invasion of Leyte began on "A-Day", and the invasion of Okinawa began on "L-Day". The Allies' proposed invasions of Japan would have begun on "X-Day" (on Kyūshū, scheduled for November 1945) and "Y-Day" (on Honshū, scheduled