The text is grammatically correct, it’s just using journalistic shorthand.
The implication is that “They” (The F-16s) will be stationed on the territory of Ukraine. Not that Kiev is stationed in the territory of Ukraine. You’re supposed to read it as two distinct clauses, and since the F-16 is the primary noun, it’s implied that it is the subject of the following clause. The broadcaster just has limited words to convey that.
The text is grammatically correct, it’s just using journalistic shorthand.
The implication is that “They” (The F-16s) will be stationed on the territory of Ukraine. Not that Kiev is stationed in the territory of Ukraine. You’re supposed to read it as two distinct clauses, and since the F-16 is the primary noun, it’s implied that it is the subject of the following clause. The broadcaster just has limited words to convey that.