This is in addition to a military transport plane that was deployed on Saturday, and a rescue submarine - equipped to search underwater and has divers on board - that will be sent on Sunday.
Singapore sends more help to search for flight MH370
Two C-130 military transport planes, a naval helicopter, two warships and a submarine support and rescue vessel are currently involved in the search, said the Ministry of Defence in a statement on Sunday.
Singapore's Ministry of Foreign Affairs closely monitoring status of missing Malaysia Airlines flight MH370: Spokesman
"MFA is closely monitoring the status of the missing Malaysia Airlines flight MH370 on 8 March 2014. MFA has been in touch with Malaysia Airlines, and confirmed that there were no Singaporeans onboard the flight."
Get the full story from The Straits Times.
Here is a statement from MINDEF:
Additional SAF assets deployed in response to missing Malaysia Airlines plane
Following Minister for Defence Dr Ng Eng Hen's offer of additional assistance to the his Malaysian counterpart Dato' Seri Hishammuddin Hussein yesterday, the Singapore Armed Forces (SAF) has deployed additional assets to assist in the search-and-locate (SAL) operation for the missing Beijing-bound Malaysia Airlines plane (MH370). These include two other Republic of Singapore Air Force (RSAF) C-130 aircraft, a Republic of Singapore Navy (RSN) Formidable-class frigate (RSS Steadfast) , with a Sikorsky S-70B naval helicopter onboard, a submarine support and rescue vessel with divers onboard, as well as a Missile Corvette (RSS Vigour). The first RSAF C-130 deployed yesterday had returned to Singapore last night."
Here is the 1pm update on the Republic of Singapore Navy's Facebook page:
Slipping off earlier today, MV Swift Rescue joins the search effort for the missing Malaysian Airlines flight MH370 in the South China Sea.
Deploying with a complement of naval divers and medical personnel, MV Swift Rescue, a Submarine Support and Rescue Vessel (SSRV), is equipped to perform underwater searches and can assist in the search and locate operations.
Here is the 9am posting:
Joining the ongoing search together with The Republic of Singapore Air Force since 0200H last night, a frigate, missile corvette and one of our Sikorsky S-70B Naval Helicopters have been deployed to assist in the search and rescue operations for Malaysian Airlines Flight MH370, which went missing yesterday.
Our SSRV MV Swift Rescue will be joining them today, after preparations through the night for the search operation.