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

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

The RC-135W Rivet Joint, a dedicated electronic surveillance aircraft, is equipped to gather electronic emissions from communications, radar, and other systems.

For [Daniel Riley] AKA [rctestflight] that project is a solar powered RC plane which to date spans 4 years, 4 versions and 13 videos. It is a treasure trove of information collected through hard ...