Facts

• Taiwan's Pres. Tsai Ing-wen announced on Tues. that Taipei and Washington were "proactively" planning to deepen security ties, including cooperation between the US National Guard and Taiwan's military.
• This comes a day after China's military entered Taiwan's air defense identification zone (ADIZ) with 30 aircraft, including 22 fighter jets, according to Taiwan's Ministry of National Defense. It was the largest incursion of the ADIZ - which extends beyond Taiwan's territorial airspace and over part of mainland China - since January.
• In response, Taipei scrambled its own fighter jets and deployed air defense missile systems to monitor Beijing's warplanes, which were reportedly flying near the Pratas Islands.
• This comes as a US delegation led by Sen. Tammy Duckworth arrived in Taipei on Mon. to discuss enhancing bilateral relations during a three-day visit.
• Last week, China confirmed it held military drills in the sea and airspace around Taiwan as a "solemn warning against the recent US-Taiwan collusion."
• Tensions between China and the US have recently intensified after US Pres. Biden stated he would intervene militarily to defend Taiwan if China attacks.