Len Reynolds in Mediterranean MTBs at War shows one of the dockside photos and gives the officers as belonging to the 7th and 27th flotillas, which would make the boats some of, 375, 376, 377 & 378 (US Vospers); 419, 420, 421, 422 & 423 (US Higgins); 396, 397, 398, 399, 400, 401, 402 & 4...