National Geographic : 1943 Aug
Acme Americans in Life Belts Travel the Long Atlantic Waterway to Northern Ireland's Training Ground An antiaircraft gun, muzzled against spray, juts from the splinter screen, or "gun tub." In January, 1942, surface vessels protected this first A.E.F.crossing toEurope of World War II. In mid-ocean they lacked aerial support against the U-boat. Now V. L . R . (very long range)aircraft patrol much ofthat "blind spot."