The data SAGE displays was already available via an existing system, but accessing it was difficult, time-consuming and required extensive training, said McKinley, the project manager.

• SAGE系统采用来自国家地理空间情报局的国土安全基础设施计划的地理空间数据。SAGE显示的数据也可通过现有系统获得，但是原来的系统检索很困难、耗时，并必须经过广泛培训才能够使用。