▁" Black ▁Op " ▁unit , ▁the ▁ 3 4 th ▁Squadron , ▁better ▁known ▁as ▁the ▁Black ▁Bat ▁Squadron , ▁of ▁the ▁Republic ▁of ▁China ▁Air ▁Force ▁( | RO C AF / T ai wan ); ▁these ▁were ▁painted ▁in ▁RO C AF / T ai wan ▁mark ings . ▁The ▁RO C AF / T ai wan ▁P 2 V - 7 U / R B - 6 9 A ' s ▁mission ▁was ▁to ▁conduct ▁low - level ▁pen etr ation ▁fl ights ▁into ▁main land ▁China ▁to ▁conduct ▁EL INT / fer ret ▁miss ions ▁including ▁mapping ▁out ▁China ' s ▁air ▁defense ▁networks , ▁inserting ▁agents ▁via ▁a ird rop , ▁and ▁dro pping ▁leaf lets ▁and ▁supplies . ▁The ▁agreement ▁for ▁pla us ible ▁den i ability ▁between ▁US ▁and ▁Republic ▁of ▁China ▁( RO C ) ▁govern ments ▁meant ▁the ▁R B - 6 9 A ▁would ▁be ▁man ned ▁by ▁RO C AF / T ai wan ▁crew ▁while ▁conduct ing ▁oper ational ▁miss ions , ▁but ▁would ▁be ▁man ned ▁by ▁C IA ▁crew ▁when ▁fer ry ing ▁R B - 6 9 A ▁out ▁of ▁Taiwan ▁or ▁other ▁oper ational ▁area ▁to ▁US . ▁ ▁The ▁P 2 V - 7 U / R B - 6 9 A ▁fle w ▁with ▁RO C AF / T ai wan ▁Black ▁Bat ▁Squadron ▁over ▁China ▁from ▁ 1 9 5 7 ▁to ▁November ▁ 1 9 6 6 . ▁All ▁five ▁original ▁aircraft