Navy & Maritime

A hydrophone is an underwater listening device, just as a microphone is used to detect sound in the air. Hydrophone detects sounds in the water and converts the acoustic energy into electrical energy by detecting changes in pressure in the surrounding environment. Hydrophones listen to sounds in the sea, but …

Indo-Pacific today is evolving into a significant frontier in the international arena, with an unstable geopolitical equilibrium for sea dominance due to China’s expansionist plans.   South China and Asian Feuds are fuelling the race among nations to acquire Submarines and Anti Submarine Warfare (ASW) Capability. The territorial disputes among …

Underwater communication is vital for undersea exploitation and modern communication. Conventional ways which employ acoustical technique for underwater communication have their drawbacks  including high path loss, narrow bandwidth, high bit error rate, among which unconditional security is more demanding due to commercial and secure interest.   Submarine communications have always been a challenge …

Alexander Graham Bell discovered photoacoustics by accident when he was working on the development of the photophone, a followup to his recently developed telephone that operated via modulated sunlight instead of electricity. You would operate a photophone by speaking into its transmitter toward a mirror placed inside of it. The vibrations …

Shipping is the lynchpin of a global economy between exporters and importers. Today, about 90% of the world’s goods are transported by water connecting with various land transfer systems, such as rail, truck, and air.” Globalization has fueled huge growth in the shipping industry. Low-cost shipping is the means that …

Three decades ago, only a handful of major powers had effective submarine capabilities but, today, fleets in operation around the world are growing rapidly. Emerging superpowers, like China, can add naval capacity equivalent to a European country’s in the space of a few years. The threat from submarines is serious …

The oceans are vital to the overall growth of the world economy and population, and to the continued economic integration of nations. The oceans are a primary source of food, energy, and transportation, all key requirements of human activity in an interconnected world. They are also essential to meet the …

UUVs—submersible unmanned vehicles—are divided into two categories: remotely operated underwater vehicles (ROVs) and autonomous underwater vehicles (AUVs). ROVs are controlled and powered by a person or crew on either land or neighboring craft via an umbilical or using remote control. The truly autonomous AUV systems are typically deployed from a …

The Department of the Navy Chief Information Officer Aaron Weis has released the DON Information Superiority Vision in Feb 2020 which conveyed the DON’s vision for information superiority through our information, modernized network design, and our workforce; and defines our way forward. As stated by General David H. Berger, the 38th …