▁P ilar , ▁and ▁from ▁there ▁to ▁the ▁Mar iv eles ▁cut - off ▁on ▁the ▁Tan ikan ▁River , ▁where ▁they ▁assumed ▁the ▁role ▁of ▁regiment al ▁res erves . ▁ ▁The ▁ground ▁e ch el on ▁of ▁the ▁ 1 7 th ▁P urs uit ▁Squadron ▁was ▁moved ▁from ▁Nich ols ▁Field ▁and ▁Man ila ▁to ▁P ilar ▁and ▁from ▁there ▁to ▁Kab ob o ▁point ▁where ▁the ▁took ▁up ▁beach ▁def enses . ▁ ▁The ▁ground ▁e ch el on ▁of ▁the ▁ 2 1 st ▁P urs uit ▁Squadron ▁moved ▁from ▁Lub ub o ▁to ▁K M ▁Post ▁ 1 8 4 ▁where ▁they ▁went ▁into ▁position ▁as ▁regiment al ▁reserve . ▁ ▁The ▁ground ▁e ch el on ▁of ▁the ▁ 3 4 th ▁P urs uit ▁Squadron ▁was ▁moved ▁from ▁Del ▁Car men ▁Field ▁to ▁O ran i , ▁and ▁from ▁there ▁to ▁A gl al oma ▁Point ▁where ▁it ▁went ▁into ▁position ▁on ▁beach ▁defense . ▁ ▁What ▁was ▁left ▁of ▁the ▁group ▁were ▁based ▁at ▁temporary ▁fields ▁at ▁O ran i ▁and ▁P ilar ▁in ▁northern ▁B ata an , ▁and ▁later ▁with dra wn ▁on ▁ 8 ▁January ▁to ▁" B ata an ▁Field ," ▁located ▁several ▁miles ▁from ▁the ▁southern ▁tip ▁of ▁the ▁pen ins ula . ▁B ata an ▁field ▁consisted ▁of ▁a ▁d irt ▁run way , ▁hack ed ▁out ▁of ▁the ▁j ung le ▁by ▁Army ▁engine ers ▁in ▁early ▁ 1 9 4 1 ▁and ▁length ened ▁after ▁the