Workers at Venezuela's state-run oil company are preparing to take part, along with up to 5,000 troops, in a large-scale military exercise. The civilian employees are due to be trained in the use of anti-aircraft and anti-tank rocket launchers, army chief Raul Baduel told a press conference. The operation is aimed at assessing the military training of civilians. Oil workers have also been involved in repairing military equipment that required maintenance. Venezuela Hugo Chaves recently admitted that the US had refused to provide assistance with technology acquired by Venezuela before his rise to power in 1999, including F-16 aircraft. But...