DoD spent $10 million in 2010 to map out the current state of the NIPRNet, in an effort to analyze its expansion, and identify unauthorized users, who are suspected to have quietly joined the network.
美国国防部在2010年花费1000万美元来绘制NIPRNet的现状，以分析其扩张和识别未经授权的用户，他们被怀疑已悄然加入此网络。