Core Points - The article highlights a critical incident where a team from Linyi Unicom successfully protected a national defense communication line during an emergency water pipe repair, showcasing their professionalism and commitment to safeguarding communication security [1][3][6] Group 1: Incident Overview - On August 16, a water pipe burst near a critical communication line, prompting an urgent response from Linyi Unicom's maintenance team to prevent damage to a 24-core optical cable that supports military communication and regional network stability [1][3] - The maintenance team, led by Ma Chunyu, responded quickly, arriving at the scene within 24 minutes and immediately assessing the risk to the optical cable [3][5] Group 2: Response Actions - The team engaged in manual excavation to avoid damaging the cable, with Ma Chunyu personally directing the operation and ensuring the cable was safely relocated 4 meters away from the repair site [3][5] - The entire operation was completed in 3 hours, with the cable relocation meeting safety standards and ensuring zero interruption to military communication and 100G system services [5][6] Group 3: Long-term Strategy - Linyi Unicom has been enhancing its national defense cable protection mechanisms through a three-tiered defense system that includes grid-based inspections, intelligent monitoring, and emergency drills [6] - The team's rapid response and precision in execution exemplify the company's commitment to protecting critical infrastructure and ensuring national information security [6]