Here is a breakdown of military efforts so far, according to government officials and reports:

UNITED STATES

Two navy battle groups around the aircraft carrier USS Abraham Lincoln and helicopter carrier USS Bonhomme Richard.

USS Abraham Lincoln (crew of 6,000), located north of the Indonesian island of Sumatra, already has 10 of its 19 helicopters flying water and basic supplies into Aceh province.

USS Bonhomme Richard and its group of ships are aiding operations in Indonesia and Sri Lanka. The carrier has 24 helicopters and 1,300 Marines on board.

Six huge supply vessels capable of supporting 15,000 people for one month and producing 380 tonnes of drinking water a day will be in position by the end of the week. They also carry road-making and power-generating equipment.

Seventeen C-130 Hercules military transport planes are also flying into Indonesia and Thailand, with more on their way.

A joint task force has been set up at the Utapao air base in Thailand to orchestrate US military units.

AUSTRALIA

Australia was one of the first to offer military aid in Indonesia and has been boosting operations since. Around 600 servicemen and women are supporting operations in Sumatra.

Australia has deployed six C-130 aircraft, one Boeing 707 transport plane and one Beech 350 utility plane, has set up a water purification plant, and dispatched medical, engineering and logistical teams.

It sent a 55-bed field hospital and 90-strong medical team to Aceh, Indonesia on Sunday and was preparing to send a second medical evacuation team, air traffic controllers and more loading staff to shift a logjam at Banda Aceh airport.

A naval transport ship, HMAS Kanimbla, was due to arrive off Aceh on January 14 with two helicopters and troops on board. Another four Iroquois helicopters were airlifted to Indonesia to help with the establishment of supply air bridges.

NEW ZEALAND has also sent a C-130 aircraft.

FRANCE

France says it is coordinating EU aid in Asia.

Much of its efforts so far are concentrated on Sri Lanka, where a team of defence ministry emergency workers are deployed.

Two French ships, the helicopter carrier Jeanne d'Arc and the frigate Georges Leygues are on their way and were expected to arrive off Indonesia on January 14.

The Jeanne d'Arc is carrying six helicopters, 60 engineers, 6,000 food rations, 800 tonnes of water and water treatment equipment, five tonnes of medicine and field medical posts.

A coastguard plane is operating along the Thai coast and transmitting information to the Thai navy, while a Boeing C135 air force plane delivered coffins to the Thai island of Phuket.

One government Airbus aircraft brought back 20 injured French citizens last week, and another delivered 12 tonnes of medicine and water-treatment equipment to the Sri Lankan capital of Colombo this week.

A team of 10 gendarmes specialised in identifying the dead is in the disaster zone with a helicopter for transport.

BRITAIN

Britain has deployed recon teams to Sri Lanka, Indonesia and Thailand.

Its frigate HMS Chatham arrived off Colombo, Sri Lanka, on Monday and a repair ship, Royal Fleet Auxiliary Diligence, was expected to join it from India on Wednesday.

HMS Chatham has two Lynx helicopters, while Diligence has equipment to generate electricity and supply fresh water.

A Royal Air Force C-17 heavy lift aircraft has been delivering UN supplies in Aceh, Indonesia.

GERMANY

Germany has deployed an Airbus aircraft designed for medical evacuations to collect Europeans caught up in the disaster and has another on standby.

It has also sent its biggest navy supply ship, the Berlin, to Sumatra, where it should arrive January 12. The ship has two helicopters, water treatment equipment and a hospital on board.

A German field hospital is also being set up in Indonesia's Aceh province, staffed by 120 soldiers and medics. The hospital will be under Australian coordination.

AUSTRIA

Vienna on Monday dispatched a C-130 aircraft with eight tonnes of supplies on board for Sri Lanka.

It also sent 77 soldiers to reinforce foreign military medical teams in Thailand.

THE NETHERLANDS

The Netherlands dispatched an air force plane to Estonia Monday to transport an Estonian field hospital to Medan, Indonesia and carry 20 tonnes of aid to Batan, Indonesia.

NORWAY and DENMARK have each sent two C-130 Hercules aircraft to Indonesia. A Danish field hospital has also been sent to Sumatra.

GREECE

Greece sent two C-130 air force planes with humanitarian aid to the disaster zone.

SPAIN has not involved its military in aid operations, but the government did send three aircraft to the disaster region with Red Cross, rescue personnel and foreign ministry representatives on board.

RUSSIA

Moscow has sent three Il-76 transport aircraft to Sri Lanka with tents, blankets, water and water treatment equipment. Another flight was scheduled for Sumatra on Wednesday with electricity generators and basic supplies.

JAPAN

Japan on Tuesday put its army, air force and navy on standby to provide assistance and dispatched 20 personnel to visit Indonesia, Thailand and Malaysia to collect first-hand information on relief needs.

Three Japanese navy vessels have already been helping in rescue work off Thailand.

THAILAND

Thailand has mobilised 2,875 soldiers, 3,616 sailors and 1,000 air force personnel as well as an aircraft carrier and 11 smaller ships, 24 military helicopters and nine C-130 transport planes to cope with the disaster in the south of the country.

In addition, it has deployed 20,000 police with seven helicopters and seven police patrol boats.

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