A drone that crashed near a critical power substation was likely meant to damage or disrupt the infrastructure, according to a federal law enforcement bulletin obtained by CNN. Alex Marquardt reports.
원문출처 : https://www.cnn.com/videos/politics/2021/11/04/drone-threat-power-grid-new-details-marquardt-lead-pkg-vpx.cnn
원문출처 : https://www.cnn.com/videos/politics/2021/11/04/drone-threat-power-grid-new-details-marquardt-lead-pkg-vpx.cnn