DEADLY SUBMARINE DISASTER: The wreckage of a missing Indonesian submarine has been found and all 53 crew members declared dead, with new images from underwater cameras showing the vessel broken apart 2,750 feet-deep on the ocean floor. Linsey Davis reports. https://abcn.ws/3az7W6z | ABC World News Tonight with David Muir

📞Rescue Sub: "Lima, Lima, Lima." 🛠 Submarine rescue is a critical part of RSN's operations and needs to be conducted with precision to ensure the safety of our submariners. We will need to race against time in the challenging underwater conditions to find and rescue a distressed submarine. 🎞Watch the full video on YouTube as we joined MV Swift Rescue and our INV-class submarine for a simulated rescue exercise: https://youtu.be/BeOJATAGrLM 🇸🇬We also look forward to one of the largest submari