1、2025/4/3 13:55Taiwans Evolving Response to Chinas Grey Zone Actions|Royal United Services Institutehttps:/www.rusi.org/explore-our-research/publications/policy-briefs/taiwans-evolving-response-chinas-grey-zone-actions1/13POLICY BRIEFSTaiwans Evolving Response to Chinas Grey ZoneActionsDr Philip Shet
2、ler-Jones31 March 2025Long ReadThis policy brief traces the emergence and de?ning features ofthe grey zone concept,looking at Chinas actions and Taiwansresponses.Grey zone as a quali?er for challenges,threats and even warfare describes anapproach that seeks results from action below the threshold of
3、 war or armedcon?ict.Attempts to frame a precise de?nition raise theoretical and practicalquestions.Can action below the threshold of war be a form of warfare,or isthe threshold subjective and open to manipulation?Can grey zone action bedeterred without threatening to cross the line into a state of
4、war?How canthe victim of aggression escape a trap where moves to deter grey zonechallenges attract condemnation for provocation or escalation that mightbe more damaging than the original attack?Chinas campaign against Taiwan,which Sir Alex Younger,former Chief ofthe UK Secret Intelligence Service,de