Dog Boats At War by Len Reynolds states that MTB 738 and MTB 749 were part of the 64 MTB Flotilla under Lt Cdr D Wilkie RNVR, which comprised 724, 725 , 728 , 739 , 742 , 759 , 766 , 773 , 787 , 784 , 788 , 795 , and 5015 as well, and that the 64th was involved in minelaying for Operation Neptune, ...