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The Ausf. B weighed 400 kg (880 lb) more, the radio antenna was moved and better radio equipment was used. From June to November 1943, 260 of this model were produced. [1] The final Borgward IV to see production, the Ausf. C, saw greater changes. The chassis was lengthened to 4.1 metres (13 ft 5 in) and the weight further increased.
Although a total of 7,564 Goliaths were produced, the single-use weapon was not considered a success due to high unit cost, low speed (just above 6 kilometres per hour (3.7 mph)), poor ground clearance (just 11.4 cm (4.5 in)), the vulnerable control cable, and thin armour which could not protect the vehicle from small-arms fire.
[3] The computer was presented to the US Navy on December 2, 1954. At the presentation ceremony, it calculated pi to 3,089 digits, which was a record at the time. The calculation took only 13 minutes. In 1955, NORC was moved to the Naval Proving Ground [4] at Dahlgren, Virginia. It was their main computer until 1958, when more modern computers ...
Tier II: Role currently filled by the Scan Eagle and the AAI RQ-7 Shadow. Tier III: For two decades, the role of medium range tactical UAV was filled by the Pioneer UAV. In July 2007, the Marine Corps announced its intention to retire the aging Pioneer fleet and transition to the RQ-7 Shadow tactical unmanned aircraft system by AAI Corporation .
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The refit involved replacing the RBU-6000 anti-submarine mortars with SS-N-25 anti-ship missiles, new radar, sonar and ECM equipment. These ships completed their refits in 1990–1992, and others were to have been modernised but the programme was cancelled with the collapse of the Soviet Union.
Coronado is floated out on 9 January 2011. The ship's keel was laid on 17 December 2009. [9] She was launched and christened during a ceremony in Mobile Bay on 14 January 2012 by the ship's sponsor Susan Keith, the daughter of Eleanor Ring, who christened USS Coronado (AGF-11) in 1966.
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