 The final four flights of 8th TFW aircraft arrived to find the engagement over and departed the area because of the SAM threat, while the Da Nang-based East Force assessed the weather conditions and did not penetrate North Vietnamese airspace.Two of the Ubon-based West Force had aborted the mission for maintenance problems, and ultimately only 26 of the 56 assigned fighters entered the target area, and only 12 of those engaged.The following table summarizes the 8th TFW's seven MiG-21 victories