A hospital ship is a ship designated for primary function as a floating medical treatment facility or hospital. Most are operated by the military forces (mostly navies) of various countries, as they are intended to be used in or near war zones.1
Attacking a hospital ship is a war crime, however belligerent navies are entitled the right to board such ships for inspections.
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Such ships possibly existed in ancient times. The Athenian Navy had a ship named Therapia, and the Roman Navy had a ship named Aesculapius, their names indicating that they may have been hospital ships. During the 17th century, it became customary for naval squadrons to be accompanied by special vessels with the job of taking in the wounded after each engagement. On 8 December 1798, unfit for service as a warship, HMS Victory was ordered to be converted to a hospital ship to hold wounded French and Spanish prisoners of war. Another early example of a hospital ship was USS Red Rover in the 1860s, which aided the wounded soldiers of both sides during the American Civil War. It was the sighting by the Japanese of the Russian hospital ship Orel, correctly illuminated in accordance with regulations, that led to the Battle of Tsushima during the Russo-Japanese War. Orel was retained as a prize of war by the Japanese after the battle. During World War I and World War II, some passenger liners were converted for use as hospital ships. RMS Aquitania and HMHS Britannic were two examples of ships serving in this capacity.
The last British Royal Yacht, the post World War II HMY Britannia, was ostensibly constructed in a way as to be easily convertible to a hospital ship, but this is now thought to be largely a ruse to ensure Parliamentary funding, and she never served in this role – reputedly her lifts were too small to take standard-sized stretchers.
A development of the Lun-class ekranoplan was planned for use as a mobile field hospital for rapid deployment to any ocean or coastal location at a speed of 297 knots (550 km/h). Work was 90% complete on this model, the Spasatel, but Soviet military funding ceased and it was never completed.
- Ship must be clearly marked and lighted as a hospital ship
- The ship should give medical assistance to wounded personnel of all nationalities
- The ship must not be used for any military purpose
- The ship must not interfere with or hamper enemy combatant vessels
- Belligerents, as designated by the Hague Convention, can search any hospital ship to investigate violations of the above restrictions
- Belligerents will establish the location of a hospital ship
According to the San Remo Manual on International Law Applicable to Armed Conflicts at Sea, a hospital ship violating legal restrictions must be duly warned and given a reasonable time limit to comply. If a hospital ship persists in violating restrictions, a belligerent is legally entitled to capture it or take other means to enforce compliance. A non-complying hospital ship may only be fired on under the following conditions:
- Diversion or capture is not feasible
- No other method to exercise control is available
- The violations are grave enough to allow the ship to be classified as a military objective
- The damage and casualties will not be disproportionate to the military advantage.
In all other circumstances, attacking a hospital ship is a war crime.
Modern hospital ships display large Red Crosses or Red Crescents to signify their Geneva convention protection under the laws of war. Even so, marked vessels have not been completely free from attack. Notable examples of hospital ships deliberately attacked during wartime are HMHS Llandovery Castle in 1915, the Armenia in 1941 and AHS Centaur in 1943.
The first purposely built hospital ship in the U.S. Navy was the USS Relief3 which was commissioned in 1921.4 Most hospital ships in the U.S. Navy during World War II were converted passenger liners. And most were not marked as neither the Japanese or Germans were concerned with the Hague Convention on hospital ships.
The U.S. Navy's two current hospital ships, the USNS Mercy (T-AH-19) and USNS Comfort (T-AH-20), are operated by Military Sealift Command. Their primary mission is to provide emergency on-site care for U.S. combatant forces deployed in war or other operations. The ships' secondary mission is to provide full hospital services to support U.S. disaster relief and humanitarian operations worldwide.
Each ship contains 12 fully equipped operating rooms, a 1,000-bed hospital facility, digital radiological services, a medical laboratory, a pharmacy, an optometry lab, an intensive care ward, dental services, a CT scanner, a morgue, and two oxygen-producing plants. Each ship is equipped with a helicopter deck capable of landing large military helicopters. The ships also have side ports to take on patients at sea.
The ships are converted San Clemente-class supertankers. Mercy was delivered in 1986 and Comfort in 1987. Normally, the ships are kept in a reduced operating status in Norfolk, Virginia, and San Diego, California, by a small crew of civil service mariners and active-duty navy medical and support personnel. Each ship can be fully activated and crewed within five days. For example, the Comfort departed Baltimore for Haiti on January 16, 2010, to provide relief to victims of the country's massive earthquake four days after it hit.5
- Pará class - Amazon River hospital ship U15 Pará.
- Doutor Montenegro class - Amazon River hospital ship U16 Doutor Montenegro.
- Oswaldo Cruz class - Amazon River hospital ships U18 Oswaldo Cruz and U19 Carlos Chagas.
- Carlos Chagas class - Amazon River hospital ship U19 Carlos Chagas.
- Soares de Meirelles class - Amazon River hospital ship U21 Soares de Meirelles.
- Tenente Maximiano class - Amazon River hospital ship U28 Tenente Maximiano.
- Nankang class hospital ship - 2 ships, Nankang and Nanyun. Former Qiongsha class troop transport ships modified as hospital ships in the 1980s.
- Ship 865 - 30,000 ton container ship with 14 modular medical units and helipad .
- Daishandao, also known as Peace Ark in peacetime - A converted cruise ship with 300 hospital beds, 20 intensive care units and 8 operating theatres.
- Project 320 - Former Russian hospital ship Ob built in 1980, purchased in 2007.
- KRI Dr Soeharso - former landing ship converted to a hospital ship in 2007.
- BAP Puno - Former passenger and cargo ship built in 1861, converted to a hospital ship in 1976. Operates on Lake Titicaca.
- Ob' class - 3 ships Irtysh, Svir and Yenisey built between 1981 and 1990. Each has 7 operating rooms, 100 hospital beds and a helipad. Operated by civilian crews but with naval medical staff. Class leader Ob built in 1980, stricken in 1997 and sold to China in 2007.
- Esperanza del Mar - purpose-built hospital ship commissioned in 2001 to provide medical services to the Spanish industrial fishing fleet.
- MV Africa Mercy - A former ferry fitted converted to a hospital ship in 2007 for Mercy Ships. The world's largest non-governmental floating hospital.
It is common for naval ships, especially large ships such as aircraft carriers and amphibious assault ships to have on-board hospitals. However, they are only one small part of the vessel's overall capability, and are used primarily for the ship's crew and its amphibious forces (and occasionally for relief missions). They do not qualify as "hospital ships", as they are not marked and designated as such, and as armed vessels they are disqualified from protection as a hospital ship under international law.6 Examples of these ships from various navies include;
Several classes of USN ships are equipped with on-board hospitals;
- Nimitz class Aircraft carrier – Each carrier has a 53-bed hospital ward, a three bed ICU, and acts as the hospital ship for the entire carrier strike group.7 In one year, the medical department of the USS George Washington handled over 15,000 out-patient visits, drew almost 27,000 labs, filled almost 10,000 prescriptions, took about 2,300 x-rays and performed 65 surgical operations.8 There is not much variation among the ships of the class. The first ship, USS Nimitz has the 53 beds, plus 3 ICU beds, and the last ship, USS George H.W. Bush has 51 beds, plus 3 ICU beds.9
- Wasp class Amphibious assault ship (LHD) – These ships have 6 operating rooms, 14 ICU beds, 46 hospital beds, 4 battle dressing stations, medical imaging (i.e.:X-ray), a fully functional laboratory, and a blood bank.10 The ship can expand it's medical compliment to 600 beds, making it the second largest hospital at sea, second only to actual hospital ships11
- Tarawa class Amphibious assault ship (LHA) – These ships can function as a 'Primary Casualty Receiving Ship' (PCRS), have 17 ICU beds, 4 operating rooms, up to 300 hospital beds, medical imaging and 3 dental treatment rooms.12 The last ship of this class, the USS Peleliu had an expanded capability for 600 beds.13
- America class Amphibious assault ship (LHA) – This is the newest and largest class both in the USN and the world. However, the first two ships of the class, USS America and USS Tripoli, had the size of their medical facilities reduced, in favour of larger aviation facilities.14 The on-board hospitals of these first two vessels will have 2 operating rooms and 24 beds.15 It is unknown if this design change will affect the expanded capability for additional beds, nor what size the medical facilities of future ships of the class will be.
- San Antonio class Amphibious transport dock (LPD) – 24 hospital beds.15
- Austin class Amphibious transport dock (LPD) – 24 hospital beds.15
- Harpers Ferry class Dock landing ship (LSD) – 11 hospital beds.15
- Whidbey Island class Dock landing ship (LSD) – 8 hospital beds.15
- Royal Fleet Auxiliary ship RFA Argus – This ship would be a hospital ship were it not for its armaments, however, it is instead designated as a 'Primary Casualty Receiving Ship' (PCRS).
- Shichang - a multi-role aviation training ship built in 1997 with 2 helipads. Deck space can accommodate modular medical units and can be reclassified as hospital ship.
- Mistral class Amphibious assault ship – On board hospital is NATO Echelon level-3,16 with 69 hospital beds, 7 ICU beds, and an additional 50 beds if needed. The ship also has medical imaging capabilities, such as X-ray, CT-scan and ultrasound.
- The Russian Navy will be using ships of the French Mistral class design.17 While the design includes a hospital, it is unknown at this time if it will be equipped the same as the French vessels.
- Canberra class Landing helicopter dock – This class is based on the Juan Carlos I class design,19 and has 2 operating rooms and a hospital ward.20
- List of Australian hospital ships
- List of Chinese Navy hospital ships
- List of hospitals and hospital ships of the Royal Navy
- Hospital Ships of the Sanitary Commission
- List of United States Army hospital ships
- List of US Navy hospital ships
- List of Brazilian Navy hospital ships
- List of hospital ships sunk in World War I
- List of hospital ships sunk in World War II
- Hospital Ship (definition via WordNet, Princeton University)
- "Convention for the adaptation to maritime war of the principles of the Geneva Convention". Yale University. October 18, 1907. Retrieved August 2, 2009.
- "Modern Hospital Sails With U.S. Fleet." Popular Science Monthly, August 1927, p. 35.
- This article incorporates text from the public domain Dictionary of American Naval Fighting Ships. The entry can be found here.
- World Wide Hospital Ships
- "Russia signs $1.7 bln deal for 2 French warships." RIA Novosti, 17 June 2011.
- Australian War Memorial - Sinking of the Centaur
- WW2 US Hospital Ships
- US Army Hospital Ships in WWII
Media related to Hospital ships at Wikimedia Commons