73rd LAA Rgt managed to land some of its 40 mm Bofors guns on the first tide .
Heavy fire prevented 218th Bty from reaching Bofors ' positions until five hours later , while 220th Bty Bofors ' its intended positions to be still in enemy hands .
73rd LAA Rgt managed to land some of its 40 mm Bofors guns on the first tide , but heavy fire prevented 218th Bty from reaching its positions until five hours later , while 220th Bty found its intended positions to be still in enemy hands .