波音公司的“回声巡逻兵”自主式无人水下航行器。2015年1月22日,美国智库战略与预算评估中心在其网站上发布名为《水下战的新时代》的报告,报告作者布赖恩·克拉克曾在海军潜艇上工作,目前是战略与预算评估中心的高级研究员、海军战略家。克拉克称,新一代技术的出现将彻底改变水下战。他呼吁海军要利用技术发展新机遇,加紧研发和部署新的水下平台与装备,重新考虑潜艇的作战定位并发展新的 Boeing’s “Echo Patrol ” autonomous unmanned underwater vehicle. On January 22, 2015, the US think tank Strategic and Budget Assessment Center posted on its website a report titled “The New Era of Underwater Warfare.” Reporter Brian Clarke worked on naval submarines and is currently a strategic and Senior Fellow, Center for Budget Assessment, Naval Strategist. Clarke said the emergence of a new generation of technology will completely change the underwater war. He called for the Navy to take advantage of new opportunities in technology development, intensify research and development and deployment of new underwater platforms and equipment, reconsider the operational positioning of submarines and develop new