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The five paragraph order or five paragraph field order is a style of organizing information about a military situation for a unit in the field. It is an element of Canadian Army, United States Army, United States Marine Corps and United States Navy Seabees small unit tactics, and similar order styles are used by military groups around the world.
Convoy Battles of World War II occurred when convoys of warships protected cargo ships assembled for mutual defense and were attacked by submarines, surface ships and/or aircraft. Most were in the North Atlantic from 1939 to 1943 and involved attacks by U-boat wolfpacks .
This is a list of convoy codes used by the Allies during World War II There were over 300 convoy routes organized, in all areas of the world; each was designated by a two- or three letter code. List of Allied convoys during World War II by region provides additional information.
The eleven ships of Convoy PQ 1, the first convoy of the PQ series, carrying twenty tanks, 193 fighter aircraft and other cargo, sailed from Iceland on 28 September, arriving at Archangelsk on 11 October after an uneventful trip. [26]
Until April 1943, ships capable of speeds between 9 and 13 knots (17 and 24 km/h; 10 and 15 mph) were assigned to odd-numbered (fast) convoys—sometimes designated ON(F); while ships capable of speeds between 6 and 9 knots (11 and 17 km/h; 6.9 and 10.4 mph) were assigned to even-numbered (slow) convoys—sometimes designated ON(S) or (ambiguously) ONS.
The first convoy, designated UGF 1, was the invasion convoy sailing on 24 October 1942 and arriving on 8 November 1942. The F designated a convoy of faster ships. Thereafter, fast and slow eastbound and westbound convoys on this southern route were given four separate numbering sequences beginning with 2.
A convoy of U.S. Army trucks in Hawaii. A convoy is a group of vehicles, typically motor vehicles or ships, traveling together for mutual support and protection.Often, a convoy is organized with armed defensive support and can help maintain cohesion within a unit.
There are typically several volumes, including supplements for weapons systems, performance charts, servicing checklist, and post maintenance functional checkflight checklist. Pocket checklists (or "PCL") contain pertinent extracts from the main publications necessary to normal operations, emergency procedures, and training.