Complex sentence: Taiwan acquired four Grumman E- 2T aircraft from the US on 22 November 1995, which has extended the advance warning time of any attack from five to 25 minutes, bolstering Taiwan's limited protection against naval or air attack from mainland China.
Split into simpler sentences: Taiwan acquired four E- 2T aircraft from the US on 22 November 1995. These have extended the advance warning time of any attack from five to 25 minutes to bolster Taiwan's limited protection against naval or air attack from mainland China.