急剧扩大数量：过去两年，增加战犬数量的努力，就一直没有停止过。 美军在阿富汗和伊拉克需急剧增加军犬数量。
10A canine surge: Over the last two years, there has been an effort to rapidly increase the number IED detection dogs in Afghanistan and Iraq.
然而，在犬的禀性中，防御性必须取得微妙的平衡。防御性与战-逃本能相关。
However, reactive aggression must be delicately balanced in the dog's temperament because it is comprised greatly of both fight and flight instincts.
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