Turkey tests S-400 with F-16 flights over Ankara’s skies (video-photo) (Upd.)
And they would do the same with the F-35 if they had been delivered...
Congress to target Russian pipeline in defence bill
Sanctions on companies involved in the Nord Stream 2 pipeline have been added to the draft 2020 National Defense Authorization Act
Russia has captured a US Tomahawk missile in Syria & is planning countermeasures
"Having this missile in hand, we can clearly understand what channels of communication, information & control, navigation & range finding it has"