M4 corridor M4 corridor The M4 corridor is an area in the United Kingdom adjacent to the M4 motorway, which runs from London to South Wales. It is a major high-technology hub. Important cities and towns linked by the M4 include (from east to west) London, Slough, Bracknell, Maidenhead, Reading, Newbury, Swindon, Bath, Bristol, Newport, Cardiff, and Swansea. The area is also served by the Great Western Main Line, including the South Wales Main Line, and London Heathrow Airport. Technology companies with major operations located in the area include Amazon, Citrix Systems, Dell, Alcatel-Lucent, Huawei, Lexmark, LG, Microsoft, Novell, Nvidia, O2, Panasonic,
Tanks of the U.S. in the World Wars the bulldozer blade for Sherman dozer tanks, Duplex Drive for "swimming" Sherman tanks, R3 flame thrower for "Zippo" flame tanks, and the T34 60-tube "Calliope" 4.5" rocket launcher for the Sherman turret. The British variants (DD's and mine flails) were among "Hobart's Funnies," named after their commander, Percy Hobart of the 79th Armoured Division. The M4 Sherman's basic chassis was used for all the sundry roles of a modern mechanized force: roughly 50,000 Sherman tanks, plus thousands more derivative vehicles under different model numbers. These included M32 and M74 "tow truck"-style recovery tanks with winches, booms, and an 81 mm