Force's Advanced Tactical Trainer program, with an opportunity to export 100 to 400 aircraft. The TF-50B a variant FA-50 is one of the contenders for the U.S. Navy's Tactical Surrogate Aircraft program, with an opportunity to export 64 aircraft. Vietnam: Government of Vietnam looks to purchase FA-50 light fighters from U.S. and South Korea. South Korea also plans to offer the FA-50 to Colombia and Peru. Local media reported that the FA-50 could be a more affordable option than the Saab Gripen for the Botswana Defence Force Air Wing, citing Korean Aerospace Industries, signaling potential interest by the country. Failed bids Argentina: Argentine Air Force evaluated the FA-50 as a potential new platform in 2016. The Argentine government is seeking to buy the FA-50 through repatriation in Korea. MSN reported the Argentine defense minister said that when the financial aid is secured a contract for the FA-50 with KAI can be signed by December 2017. As of July 2019, the Argentine Air Force, is set to buy FA-50s as an interim replacement for the retired Mirage 3, 5, and Dagger force. It is also to help replace the retiring A-4AR Fightinghawk fleet, as those aircraft are aging and becoming difficult to repair and maintain. If the deal is approved it will be a first step in modernizing and revitalizing the country's fighter fleet. KAI later notified the Argentine government that a sale would not be possible due the UK blocking it on the grounds of an arms embargo — the aircraft features various British components, including Martin-Baker ejection seats. Israel: Israeli Air Force evaluated the T-50 as a possible replacement for its McDonnell Douglas A-4N Skyhawk II trainers since 2003. On 16 February 2012, Israel announced its decision to procure 30 M-346s instead. Singapore: Republic of Singapore Air Force evaluated the T-50 against the Italian Alenia Aermacchi M-346 and the BAE Systems Hawk for a $500 million trainer acquisition program contract for 12–16 aircraft. The Singapore Ministry of Defense eventually selected the M-346 aircraft ahead of T-50 and BAE Hawk in July 2010. Taiwan: Republic of China Air Force is looking to replace its current fleet of AT-3 jet trainers and F-5 LIFT planes with 66 advanced trainers, the ROC Air Force released a request for information (RFI) and two companies have responded including Lockheed Martin for the T-50 and Alenia Aermacchi's M-346 responded to the request. The planes are