 By July 1914, one month before the start of World War I, DELAG's Zeppelins had transported 34,028 passengers on 1,588 commercial flights; the fleet had flown 172,535 kilometres in 3,176 hours.LZ 11, LZ 13, and LZ 17 were pressed into service for the German Army.After the war, however, DELAG's LZ 120 "Bodensee" and LZ 121 "Nordstern" helped reconnect the cities of Europe.