The levels generally reflect the financial stake in the program, the amount of technology transfer and subcontracts open for bid by national companies, and the order in which countries can obtain production aircraft.
"[32] In April 2011, Winslow Wheeler, a former U.S. advisor to both Republican and Democratic senators, employee of the General Accounting Office and now with the Center for Defense Information in Washington, criticized the F-35's price and performance.
[39] However the JSF was noted as one of major programs that would suffer cuts if the house of representatives fails to follow the Senate's lead in passing a bill to resolve the United States fiscal cliff.
[58] In October 2010, press reports suggested that the Conservative-Liberal Democrat coalition government were considering reducing the order for the F-35 from 138 to an unspecified but lower number as of the 2010 Strategic Defence and Security Review.
[60] On 19 October 2010 Prime Minister David Cameron announced in the Strategic Defence and Security Review that the UK would procure an unspecified number of F-35Cs, to fly from a Queen Elizabeth-class aircraft carrier, instead of the F-35B.
[61] In January 2012, British Defence Minister Philip Hammond visited the United States to seek clarification about the impact of the new American military strategy on the availability of the F-35 for Britain's new carriers.
[100] Considerations of some Dutch politicians to buy alternatives such as Saab AB's Gripen, Boeing F/A-18 E/F Super Hornet or the EADS Eurofighter, caused the US DoD to suggest (in April 2013) these options would cost more in the long run.
[105] In December 2018, Dutch Minister of Defence Ank Bijleveld stated that the Netherlands is investing in its armed forces to grow towards and eventually reach the NATO 2% of GDP defense spending norm.
[116] In February the defence minister announced that a risk mitigation strategy, which involved obtaining F/A-18F Hornets, was being developed to prevent a gap in the RAAF's air combat capability if the F-35 program was delayed.
"[179] In May 2019, Danish Minister of Defence Claus Hjort Frederiksen stated that Denmark is considering stationing fighter jets in Greenland to counter Russia's expanding military presence in the Arctic region.
[256][257][258] In January 2020, the US government approved the procurement of four F-35B jets with the option to buy eight more of the same aircraft, as well as up to 13 engines, electronic warfare systems and related support and logistics services for US$2.75 billion by Singapore.
[280] In June 2018, despite earlier claims by a spokesperson of the Minister of Defence that the F-16 replacement program was going ahead as planned,[281] the Belgian government decided to delay the decision until October and began reconsidering the option of purchasing Dassault Rafale fighters, as well as upgrading their existing fleet of aircraft.
Major General Lauri Puranen said in June 2015, "These five fighters are Eurofighter, French Dassault Rafale, American Boeing Super Hornet or Lockheed Martin JSF F-35, and Swedish JAS 39 Gripen.
[300][301] Soon after, however, mixed signals started arriving from the German Air Force, Federal Ministry of Defence and the Parliament, with some officials distancing themselves from the choices made in shortlisting the F-35, and touting the Eurofighter Typhoon as the preferred alternative.
[314][315] The US State Department made a determination approving a possible Foreign Military Sale to the Government of Germany of F-35 Aircraft, Munitions, and related equipment for an estimated cost of $8.4 billion on 28 July 2022.
The letter, written by Atsuo Suzuki, director general for the Bureau of Defense Buildup Planning, and sent to Pentagon acquisition head Ellen Lord, stated, "I believe becoming a partner country in F-35 program is an option.
[371][372] In April 2019, U.S. Vice Admiral and head of the Pentagon's F-35 office Mathias Winter submitted a written testimony to the U.S. House of Representatives in which Poland was identified as a "future potential Foreign Military Sales customer".
[386] Lockheed has refused to allow ROKAF pilots access to the aircraft to test it prior to the selection,[387] however simulations available to South Korea are more extensive than the processes used by other customers, such as Israel and Japan.
With full-scale production having begun, the Unit Recurring Flyaway (URF) cost of one F-35A is expected to be $80–$85 million, which includes the aircraft, avionics and mission systems, the engine, logistics support, and a flight simulator.
In March 2018, Swiss officials named the contenders in its Air 2030 program: The Saab Gripen E (disqualified in June 2019 as it was considered not ready to perform all tests[407]), Dassault Rafale, Eurofighter Typhoon, Boeing F/A-18E/F Super Hornet and the Lockheed Martin F-35.
[443] As of October 2017, largely due to the Greek government-debt crisis, Greece has decided to upgrade the Hellenic Air Force's fleet of ageing General Dynamics F-16 Fighting Falcon aircraft, and to postpone a decision on further procurement until the 2020s.
[444][445] In April 2019, U.S. Vice Admiral and head of the Pentagon's F-35 office Mathias Winter submitted a written testimony to the U.S. House of Representatives in which Greece was identified as a "future potential Foreign Military Sales customer".
[373] Later the same day, Greek defense minister Evangelos Apostolakis stated that Greece would consider the possibility of acquiring the F-35 as part of its efforts to upgrade the Hellenic Air Force fleet.
[458][459] In April 2019, U.S. Vice Admiral and head of the Pentagon's F-35 office Mathias Winter submitted a written testimony to the U.S. House of Representatives in which Romania was identified as a "future potential Foreign Military Sales customer".
[460] On 2 February 2022, the President of Romania stated the intent to purchase the F-35 as part of the Air Force modernization program, which plans to spend a total of 9.8 billion euros until 2026 to boost its defense capabilities.
[508] In March 2012, The Saudi Ministry of Defense was said to be keeping all options open for future fighter jet purchases, including notably the Boeing F-15SE Silent Eagle and the Lockheed Martin F-35.
[510][511] The potential sale of F-35 aircraft drew criticism with regards to maintaining Israel's qualitative military edge, a policy enshrined in U.S. law, as well as concerns regarding human rights violations during the Yemeni Civil War and Saudi Arabia's role therein.
[514] JSF Program Executive Officer Air Force Major General Charles Davis said in 2008 that discussions had been held with Spain, which could eventually lead to the F-35B replacing the Spanish Navy's EAV-8B Harrier fleet.
[529] In February 2022, the US State Department approved the sale of up to 36 F-15IDs, a proposed export version of the F-15EX Eagle II for the Indonesian Air Force, and related equipment to Indonesia worth around $13.9 billion.
[557] In December 2021, the United Arab Emirates unilaterally suspended talks with the US regarding the procurement, stating that technical requirements, sovereign operational restrictions, and cost/benefit analysis led to the re-assessment and suspension of the deal.