英国一公司已经研制一种导航信标。这种导航信标,只有装备着红外前视系统的飞机和直升飞机才能探测出来。首批产品已提交美国空军作试验。定名为318型的这种红外前视信标,是以一种扫描CO_2激光器为基础的。这种信标预定用于接近在夜间或不利天气条件下工作的空中支援飞机。它部署在前沿阵地,能修正航路、控制攻击飞机到选定的目标。其他应 A British company has developed a navigation beacon. This navigational beacon can only be detected by aircraft and helicopters equipped with an infrared foresight system. The first batch of products have been submitted to the US Air Force for testing. The infrared Forebear, designated 318, is based on a scanning CO2 laser. This beacon is intended for use near air support aircraft that operate at night or under adverse weather conditions. It is deployed in the forward position, can modify the route, control the attack aircraft to the selected target. Other should be