Naval Research Laboratory, NRL - the United States Navy's defense laboratory that conducts basic and applied research for the Navy in a variety of scientific and technical disciplines

Defense Department, Department of Defense, DoD, United States Department of Defense, Defense - the federal department responsible for safeguarding national security of the UnitedStates; created in 1947

naval forces, navy - an organization of military naval forces

Marine Corps, United States Marine Corps, United States Marines, US Marine Corps, USMC - an amphibious division of the United States Navy

Naval Air Warfare Center Weapons Division, NAWCWPNS - the principal Navy agency for research and development for air warfare and missile weapon systems

Naval Special Warfare, NSW - the agency that provides units to conduct unconventional and counter-guerilla warfare

Naval Surface Warfare Center, NSWC - the agency that provides scientific and engineering and technical support for all aspects of surface warfare

Naval Underwater Warfare Center, NUWC - the agency that provides scientific and engineering and technical support for submarine and undersea warfare systems

United States Naval Academy, US Naval Academy - a school for training men and women to become officers in the United States Navy

Office of Naval Intelligence, ONI - the military intelligence agency that provides for the intelligence and counterintelligence and investigative and security requirements of the United States Navy