Commentary The U.S. military is breaching the Chinese Communist Party (CCP)’s “bottom line” about Taiwan and it’s becoming a regular occurrence. More frequently we’ve heard China’s spokesman say they have “no tolerance for U.S. challenges.”  In less than two months, U.S. military aircraft have landed in Taiwan three times, a frequency that has caused some concern and speculation on both sides of the Taiwan Strait. On July 19, a U.S. military C-130 transport plane took off from Manila Airport in the Philippines and landed at Taoyuan Airport in Taiwan. There were no visible markings on the aircraft, and during the stopover, the ground crew could be seen loading and unloading wooden boxes with items, along with a red canvas bag. Then, the aircraft flew off after staying for about an hour and 15 minutes. On July 15, a U.S. Army C-146 tactical transport aircraft took off from Okinawa and landed …