Anonymous ID: 3fba0c July 3, 2024, 12:21 p.m. No.21133029   🗄️.is 🔗kun   >>3032 >>3047 >>3049

Silent running is a stealth mode of operation for naval submarines. The aim is to evade discovery by passive sonar by eliminating superfluous noise: nonessential systems are shut down, the crew is urged to rest and refrain from making any unnecessary sound, and speed is greatly reduced to minimize propeller noise.