当诺斯罗普·格鲁门信息系统公司的应用数学家贾斯廷·凯斯勒（JustinKessler）将该项目的成果展示给他的经理们时，他们都被如此低廉的价格所震惊。
When Justin Kessler , an applied mathematician at Northrop Grumman Information Systems , showed the results of the project to his managers , they were struck by the low price tag .
诺斯罗普·格鲁门公司