Netanyahu specifically pressed Trump block sales of weapons systems to Turkey, especially those that would help Turkey modernize its air force. Of central issue remains potential F-35 transfer, which if carried through would outrage Israeli leaders. Turkey was blocked from the program in 2019 after the NATO member state went through with acquiring Russia’s S-400 air defense system on fears that the US advanced fighter jets classified systems could be compromised.
Source: Trump Signals Willingness To Sell Turkey F-35 Jets Despite Loud Netanyahu Protests