Defense chiefs are embarrassed over a sex scandal involving Secret Service agents and military service members as it distracted from President Barack Obama 's visit to Colombia , the US military 's top officer said .
美军高级官员称，国防部领导人对奥巴马总统访问哥伦比亚期间曝出的美国特工和军人性丑闻感到尴尬。
sex secret