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Unrestricted Line
An unrestricted line officer (shortened to URL officer) is a designator given to a commissioned officer of the line in the United States Navy, who is eligible for command at sea of the navy's warfighting combatant units such as warships, submarines, aviation squadrons and SEAL teams. They are also eligible to command the higher echelons of those units, such as destroyer and submarine squadrons, air wings and air groups, and special warfare groups. At the flag officer level, URL officers may also command carrier strike groups, expeditionary strike groups, patrol and reconnaissance groups, task forces, and fleet and force commands. URL officers are also eligible to command shore installations, facilities and activities directly supporting the navy's warfare mission.Mack, VADM William P. and Paulsen, CAPT Thomas D., The Naval Officer's Guide, 9th ed., Naval Institute Press, Annapolis, MD, c1983Mack, VADM William P. and Stavridis, CAPT James, Command at Sea, 5th ed., Naval ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of United States Naval Officer Designators
This is a list of naval officer designators in the United States Navy. In the United States Navy, all active and reserve component officers are assigned to one of four officer communities, based on their education, training, and assignments: Line Officers (divided into Unrestricted Line or URL, Restricted Line Officer, Restricted Line or RL, and Restricted Line Officer, Restricted Line Special Duty or RL SD), Staff Corps Officers, Limited Duty Officers (LDO), or Warrant officer (United States), Warrant Officers (WO/CWO). Each community is further subdivided by primary occupation. Each occupation is identified by a designator. Definition The officer billet designator codes are four-digit numbers used to identify the primary naval specialty qualifications required of the billet incumbent and to administratively categorize officer billets for proper management and identification. They serve as a manpower management tool when used in conjunction with the officer designator codes. The ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Submarine Warfare
Submarine warfare is one of the four divisions of underwater warfare, the others being anti-submarine warfare, mine warfare and mine countermeasures. Submarine warfare consists primarily of diesel and nuclear submarines using torpedoes, missiles or nuclear weapons, as well as advanced sensing equipment, to attack other submarines, ships, or land targets. Submarines may also be used for reconnaissance and landing of special forces as well as deterrence. In some navies they may be used for task force screening. The effectiveness of submarine warfare partly depends on the anti-submarine warfare carried out in response. American Civil War The age of submarine warfare began during the American Civil War. The 1860s was a time of many turning points in terms of how naval warfare was fought. Many new types of warships were being developed for use in the United States and Confederate States Navies. Submarine watercraft were among the newly created vessels. The first sinking of an enemy ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Warrant Officer (United States)
In the United States Armed Forces, the ranks of warrant officer (U.S. uniformed services pay grades, grades W‑1 to W‑5; see ''Ranks and insignia of NATO, NATO: WO1–WO5'') are rated as officers above all non-commissioned officers, Officer candidate, candidates, cadets, and Midshipman, midshipmen, but subordinate to the lowest officer grade of Second Lieutenant (United States), O‑1 (NATO: OF‑1). This application differs from the Commonwealth of Nations and other militaries, where warrant officers are the most senior of the Other ranks (UK), other ranks (NATO: OR‑8 and OR‑9), equivalent to the U.S. Armed Forces grades of E‑8 and E‑9. Warrant officers are highly skilled, single-track specialty officers. While the ranks are authorized by Congress, each branch of the Uniformed services of the United States, uniformed services selects, manages, and uses warrant officers in slightly different ways. For appointment to the rank of warrant officer one (W‑1), normally a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Limited Duty Officer
A limited duty officer (LDO) is an officer in the United States Navy or United States Marine Corps who was selected for commissioning based on skill and expertise. They are the primary manpower source for technically specific billets not best suited for traditional Unrestricted Line, Restricted Line, or Staff Corps career path officers. Per Title 10, U.S. Code, an LDO is a permanent commissioned officer appointed under section 8139 in a permanent grade above chief warrant officer, W-5, and designated for limited duty. Role LDOs perform tasks similar to those of warrant officers (WO), but the formal definition differences are subtle and focus on the degree of authority and level of responsibility, as well as the breadth of required expertise. The term "limited duty" refers not to an LDO's authority, but rather the LDO's career progression and restrictions. Prior to World War II, a LDO could only advance as far as lieutenant (O-3E) in the Navy and captain (O-3E) in the Marine Corp ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of United States Navy Staff Corps
In the United States Navy, commissioned officers are either line officers or staff corps officers. Staff corps officers are specialists in career fields that are professions unto themselves, such as physicians, lawyers, civil engineers, chaplains, and supply specialists. For example, a physician can advance to become the commanding officer (CO) of a hospital, the medical hospital on a hospital ship or large warship, or a medical school; or the Chief of the Medical Corps or of the Bureau of Medicine and Surgery. A supply officer can become the CO of a supply depot or a school, or the head of the Naval Supply Systems Command, etc. The eight staff corps fall under different organizations throughout the Navy. The four medicine-related corps (Medical Corps, Dental Corps, Nurse Corps, and Medical Service Corps) all fall under the Bureau of Medicine and Surgery (BUMED). The Civil Engineer Corps and Supply Corps fall under two of the Navy's systems commands, respectively Naval Facilit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Combat Support
In the United States Army, the term combat support refers to units that provide fire support and operational assistance to combat elements. Combat support units provide specialized support functions to combat units in the following areas * Chemical Warfare * Combat Engineering * Military Intelligence * Security * Communications Combat support should not be confused with combat service support, which are units which primarily provide logistical support by providing supply, maintenance, transportation, health services, and other services required by the soldiers of combat units to continue their missions in combat. Expressed another way, Combat Support units are focused on providing operational support to combat units, while Combat Service Support units are focused on providing logistical support to combat units. Actual combat units are collectively referred to as combat arms units; hence, all army units fall into the category of either combat arms, combat support, or combat serv ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Explosive Ordnance Disposal
Bomb disposal is an explosives engineering profession using the process by which hazardous explosive devices are rendered safe. ''Bomb disposal'' is an all-encompassing term to describe the separate, but interrelated functions in the military fields of explosive ordnance disposal (EOD) and improvised explosive device disposal (IEDD), and the public safety roles of public safety bomb disposal (PSBD) and the bomb squad. History The first professional civilian bomb squad was established by Sir Vivian Dering Majendie. As a Major in the Royal Artillery, Majendie investigated an explosion on 2 October 1874 in the Regent's Canal, when the barge 'Tilbury', carrying six barrels of petroleum and five tons of gunpowder, blew up, killing the crew and destroying Macclesfield Bridge and cages at nearby London Zoo. In 1875, he framed The Explosives Act, the first modern legislation for explosives control. He also pioneered many bomb disposal techniques, including remote methods for the ha ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States Navy Diver
A United States Navy diver refers to a service personnel that may be a restricted fleet line (Engineering Duty) officer, civil engineer corps (CEC) officer, Medical Corps officer, or an enlisted (ND or HM rating) who is qualified in underwater diving and salvage. Navy divers serve with fleet diving detachments and in research and development. Some of the mission areas of the Navy diver include: marine salvage, harbor clearance, underwater ship husbandry and repair, submarine rescue, saturation diving, experimental diving, underwater construction and welding, as well as serving as technical experts to the Navy SEALs, Marine Corps, and Navy EOD diving commands. The U.S. Navy is the lead agency in military diving technology and training within the U.S. Department of Defense. The foundation of the Navy diving program consists of the Navy Diver (ND) rating for enlisted personnel who perform diving as their occupational specialty in the Navy. History through World War II The U ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
SEAL
Seal may refer to any of the following: Common uses * Pinniped, a diverse group of semi-aquatic marine mammals, many of which are commonly called seals, particularly: ** Earless seal, or "true seal" ** Fur seal * Seal (emblem), a device to impress an emblem, used as a means of authentication, on paper, wax, clay or another medium (the impression is also called a seal) * Seal (mechanical), a device which helps prevent leakage, contain pressure, or exclude contamination where two systems join Arts, entertainment and media * ''Seal'' (1991 album), by Seal * ''Seal'' (1994 album), sometimes referred to as ''Seal II'', by Seal * ''Seal IV'', a 2003 album by Seal * ''Seal Online'', a 2003 massively multiplayer online role-playing game Law * Seal (contract law), a legal formality for contracts and other instruments * Seal (East Asia), a stamp used in East Asia as a form of a signature * Record sealing Military * ''Fairey Seal'', a 1930s British carrier-borne torpedo bomber aircra ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Naval Flight Officer
A naval flight officer (NFO) is a commissioned officer in the United States Navy or United States Marine Corps who specializes in airborne weapons and sensor systems. NFOs are not pilots (naval aviators), but they may perform many "co-pilot" or "mission specialist" functions, depending on the type of aircraft. Until 1966, their duties were performed by both commissioned officer and senior enlisted naval aviation observers (NAO). In 1966, enlisted personnel were removed from naval aviation observer duties but continued to serve in enlisted aircrew roles, while NAO officers received the newly established NFO designation, and the NFO insignia was introduced. NFOs in the US Navy begin their careers as unrestricted line officers (URL), eligible for command at sea and ashore in the various naval aviation aircraft type/model/series (T/M/S) communities and, at a senior level, in command of carrier air wings and aircraft carriers afloat and functional air wings, naval air stations and ot ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Naval Aviator
Naval aviation is the application of military air power by navies, whether from warships that embark aircraft, or land bases. Naval aviation is typically projected to a position nearer the target by way of an aircraft carrier. Carrier-based aircraft must be sturdy enough to withstand demanding carrier operations. They must be able to launch in a short distance and be sturdy and flexible enough to come to a sudden stop on a pitching flight deck; they typically have robust folding mechanisms that allow higher numbers of them to be stored in below-decks hangars and small spaces on flight decks. These aircraft are designed for many purposes, including air-to-air combat, surface attack, submarine attack, search and rescue, matériel transport, weather observation, reconnaissance and wide area command and control duties. Naval helicopters can be used for many of the same missions as fixed-wing aircraft while operating from aircraft carriers, helicopter carriers, destroyers and f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
