“We object to Turkey's purchase of this system (S-400. -
RT
) and are deeply concerned about reports that Turkey is putting it into operation.
It should not be adopted.
This is fraught with serious consequences for our relations in the security sphere, "TASS quoted him as saying.
Hoffman recalled that Ankara has already been excluded from the production program for American F-35 fighters.
“The S-400 continues to be an obstacle to progress in other areas of bilateral relations,” he added.
Earlier, a military-diplomatic source of the agency said that Turkey tested the S-400 purchased from Russia in exercises.
During the tests, three missiles of the complex were launched, each of which successfully hit its designated targets.
State Department spokeswoman Morgan Ortagus said the commissioning of the S-400 complexes could create "serious security consequences" for Turkey.