▁attack ing ▁U . S . ▁f igh ters ▁cir cling ▁above . ▁One ▁by ▁one ▁the ▁Mi G - 2 1 ▁f igh ters ▁were ▁picked ▁off ▁by ▁A IM - 7 ▁and ▁A IM - 9 ▁miss iles ▁launched ▁by ▁U . S . ▁pil ots . ▁The ▁US AF ▁suffered ▁no ▁losses ▁and ▁they ▁claimed ▁to ▁have ▁shot ▁down ▁seven ▁Mi G - 2 1 ▁f igh ters , ▁but ▁only ▁five ▁were ▁confirmed ▁by ▁the ▁North ▁Vietnam ese . ▁All ▁North ▁Vietnam ese ▁pil ots ▁who ▁were ▁hit ▁e ject ed ▁safely , ▁while ▁the ▁surv iv ors ▁managed ▁to ▁return ▁to ▁the ▁safety ▁of ▁their ▁home ▁bases . ▁ ▁Eng agement ▁On ▁ 8 ▁January ▁ 1 9 6 7 , ▁the ▁V P AF ▁High ▁Command ▁conven ed ▁a ▁meeting ▁to ▁examine ▁what ▁had ▁gone ▁wrong . ▁The ▁actions ▁of ▁ 2 ▁January ▁had ▁exposed ▁the ▁fla wed ▁tact ics ▁employed ▁by ▁Mi G - 2 1 ▁pil ots ; ▁they ▁broke ▁through ▁the ▁clouds ▁too ▁quickly , ▁and ▁they ▁did ▁not ▁join ▁up ▁with ▁each ▁other ▁before ▁they ▁attacked ▁the ▁U . S . ▁f igh ters ▁waiting ▁above ▁them . ▁The ▁V P AF ▁High ▁Command ▁then ▁de vised ▁a ▁new ▁t actic ▁which ▁required ▁the ▁deployment ▁of ▁between ▁two ▁or ▁four ▁aircraft ▁for ▁each ▁attack , ▁with ▁a ▁maximum ▁of ▁ten ▁aircraft ▁for ▁each ▁mission ▁to ▁perform ▁gu err illa - style ▁attacks ▁on ▁U . S . ▁bom ber ▁form ations . ▁Furthermore