At the end of the last century we were tasked to fly a survey party from Wenzhou to a rig being towed through the Taiwan Straight. It was right in the middle and the radar pickup of the helicopter caused the Taiwan Air Defence radar to scramble the Taiwan QRA. When they hit the stratosphere on the way to have a look the PLAAF launched their equivalent.
The helicopter sat on the deck disembarking its passengers whilst they were stalking each other on either side of the ADIZ.