A new report by the United States Naval Institute, and a survey of current U.S. submarines, is shedding light on what a submarine is, how it operates and why it’s in such demand.
The report, titled “Submarines: History, Design and Performance,” was released Tuesday by the institute’s National Security Policy Forum.
It highlights how submarine design has changed over the years, including the changes in propulsion and navigation technology.
Submariners are the world’s most powerful, stealthy and survivable attack aircraft.
But they’re also among the least survivable, with nearly 80 percent of Navy submarines suffering from hull breaches or damage during a recent test.
The Navy is also concerned about the number of accidents, which have increased from about 20 in the 1980s to more than 100 in the 1990s.
The Navy is working to modernize the fleet, but many of its older submarines are still in service, with fewer than 100 being operational today.
The U.N. Office of the High Commissioner for Human Rights recently called for the elimination of all subsea bases and naval bases in the Mediterranean Sea and South China Sea, saying it is a violation of international law.
The new report is based on a survey conducted by the Institute for Strategic Studies.
It used data collected from submarines and their crew to compile a list of more than 700 U. S. submarines in service.
The institute also found that about half of them are being refitted.
The study surveyed more than 5,000 sailors, sailors of the Navy, Navy personnel and the U. N. Office.
The survey was conducted in January and February 2018 and included a survey from April and May of 2019.
The Institute for the Study of War is the premier U.K.-based research organization on U. J.S.-led wars in the Pacific.
Its report, “U.S./Russian Aggression in the South China Seas: What Is at Stake?” is due out next month.
The report explores the role Russia played in the region.
It also notes the importance of China in the conflict, which could prove costly.