limited visibility operation
41Battle of Chickamauga — Part of the American Civil War Battle of Chickamauga (lithograph by Kurz and Allison, 1890) …
42USS Tillman (DD-641) — USS Tillman (DD 641), a Gleaves class destroyer, was the second ship of the United States Navy to be named for United States Senator Ben Tillman. Tillman was laid down on 1 May 1941 at Charleston, S.C., by the Charleston Navy Yard; launched on 20 …
43Kliment Voroshilov tank — Infobox Weapon name= Kliment Voroshilov tank caption= KV1 model 1940 s ekranami (with appliqué), or KV1 E origin= Soviet Union type= Heavy tank is artillery= is vehicle= yes is UK= yes service= 1939–45 used by= Soviet Union wars= World War II… …
44World Airways — Infobox Airline airline=World Airways logo=World Airways logo.png IATA=WO ICAO=WOA callsign=WORLD parent=Global Aero Logistics, Inc. founded=29 March 1948 destinations=Various headquarters=Peachtree City, Georgia key people=Charlie McDonald, COO… …
45RMS Empress of Ireland — was an ocean liner built in 1905 1906 [The disambiguation date used in this article s title is not the year in which the hull is launched, but rather the year of the vessel s sea trial or maiden voyage.] by Fairfield Shipbuilding and Engineering… …
46History of navigation — In the pre modern history of human migration and discovery of new lands by navigating the oceans, a few peoples have excelled as sea faring explorers. Prominent examples are the Phoenicians, the ancient Greeks, the Persians, the Arabians, the… …
47Moutohora Branch — [v · d · …
48Berlin Blockade — Operation Vittles redirects here. For the 1948 documentary film, see Operation Vittles (film). Berliners watching a C 54 land at Tempelhof Airport (1948) …
49North American railroad signals — Main article: North American railway signaling Baltimore and Ohio Railroad Color Position Light bracket masts at Magnolia, West Virginia North American railroad signals generally fall into the category of multi headed electrically lit units… …
50Traffic Control — ➡ law enforcement * * * Introduction supervision of the movement of people, goods, or vehicles to ensure efficiency and safety. Traffic is the movement of people and goods from one location to another. The movement typically occurs… …
