<span style="color: #222222;">Taiwan's president has commissioned a pair of guided missile frigates that are expected to boost the island's ability to counter Chinese submarines amid rising military threats from Beijing.</span><br />'' <span style="color: #222222;">  </span><br />'' <span style="color: #222222;">President Tsai Ing-wen's office says she attended today's ceremony for the Ming Chuan and Feng Chia frigates at a naval base in the southern port of Kaohsiung and reiterated Taiwan's determination to resist all threats. </span><br />'' <br />'' <span style="color: #222222;">The Perry class vessels were formerly part of the US Navy, and though built in the 1980s, have been d with cutting-edge technologies including sonar and undersea warfare combat systems.</span><br />'' <br />'' <span style="color: #222222;">Tsai warned that in addition to its traditional military threats, misinformation intended to destabilize Taiwanese society is being spread by China, which claims Taiwan as its own territory to be conquered by force if necessary.</span><br />''  <br />