The previous week unseen gunmen had opened fire on a joint patrol of American marines and Afghan soldiers.

上周，一拨行迹诡异的枪手攻击了参加联合巡逻的美军陆战队士兵和阿富汗士兵。

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United Technologies has suffered a few setbacks this year, including a fire in the prototype for the geared turbofan on the Bombardier C-Series and an engine blowout on the F-35 Joint Strike Fighter.

联合技术公司在今年曾遭遇过多次打击，包括庞巴迪c系列的齿轮传动式涡轮风扇发动机原型起火，还有F - 35联合攻击战斗机的引擎爆炸。

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The fire broke out in a makeshift wooden shelter, which housed 33 Chinese workers, in a China-Russia joint business venture.

大火发生在一处临时木屋内，有33名中国工人居住于此，事发企业是一家中俄合资企业。

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Councillors sitting on joint fire and rescue boards, it added, had not provided a strong lead in scrutinising performance or in helping to drive change, engagement with local communities was "patchy".

BBC: Fireman

"At this time a joint police and fire service investigation is underway to establish the exact causes of the fire, " said a force spokesman.

BBC: Firefighters at Clare Rd, Grangetown, Cardiff

The Israeli experience in 2006 was due primarily to a loss of traditional war-waging skills as a consequence of the protracted stability operation that the Israeli military had conducted in the Palestinian territory and the failure to recognize the need for a more traditional joint combined arms fire and maneuver approach.

CENTERFORSECURITYPOLICY: Center for Security Policy | The Measure of a Superpower: A Two Major Regional Contingency Military for the 21st Century | Page: 3