The US Navy has delivered two UH-3H Sea King helicopters to the Argentine Navy at Puerto Belgrano naval base, Argentina.
The Argentine Navy previously received two Sea Kings in September 2008.
The second pair of helicopters landed on the USS Oak Hill, which is on passage to South America to participate in a joint exercise with several South American countries, including Argentina.
The two helicopters are part of a package of six, of which four will be flown and the other two used for spare parts.
The US Navy's Naval Air Systems Command in Patuxent River, Maryland, is managing the Argentine Navy H-3 Sea King programme.