16 May, 1945 The 22d and 29th Marines continued the attack against Half Moon Hill, a day characterized by the 6th Marine Division as the "bitterest" of the Okinawa campaign. By the 18th, the famed "Shuri line" had been broached. Previous Article 15 May 1862 Next Article 17 May 1950 Print Day of Month (for ordering)16