F-35 Sale to Turkey Stalled Over S-400 Issue

In addition, Israel opposes the sale of American fighters to Turkey.

Consensus

The sale of F-35 fighters to Turkey remains unresolved.
Turkey has not abandoned its Russian S-400 missile defense systems.
The U.S. has imposed sanctions and excluded Turkey from the F-35 program due to the S-400 purchase.
The U.S. government and Congress have expressed concerns about the incompatibility of S-400 systems with NATO and potential security risks.
Israel opposes the sale, warning it could disrupt the balance of power in the Middle East.
Possible solutions include destroying the S-400 systems or selling them to the UAE.
The issue has been under discussion for over a month since President Trump's announcement.

One of the options for removing the S-400 systems is their sale to the UAE, and Turkey began negotiations on this in the previous month, though they appear to have made no progress. — interfax
Any transfer of S-400 systems to a third party requires official approval from Russia. — interfax
There is a possibility of destroying the S-400 system if Turkey cannot sell or remove it. — interfax
The deal may face difficulties during congressional voting, with many supporters of Trump favoring Turkey's complete removal of the S-400 systems. — vesti
Lawmakers from both the Democratic and Republican parties in Congress have expressed concern about the potential sale. — vesti