China had protested what it called "close-in reconnaissance" of Chinese territory by the U.S. military in the past.

Locating and identifying foreign military land, naval and airborne ... are assigned to the 55th Wing at Offutt AFB, Neb. The RC-135U aircraft are manned by Air Combat Command crews from the ...

The RC-135V/W Rivet Joint reconnaissance aircraft supports theater and national level consumers with near real time on-scene intelligence collection, analysis and dissemination capabilities.

The American reconnaissance aircraft Boeing RC-135W Rivet Joint made an observation flight in Finnish airspace near the ...