Info on 1st Lt. William L. Kester 44th FS 18th FG

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Hello
going over on some information on USAAF pilots that helped train the 201st Mexican fighter Squadron, I am a bit confused on one particular pilot:

1st Lt. William L. Kester who served in the 44th fighter Squadron 18th Fighter Group circa 1943 based on Olynyk books he was credited with one kill and half a kill.

he returned to the USA and in 1944 he was a P-47D Thunderbolt instructor pilot with the 265th AAFBU fighter training squadron ,he helped train the Mexican pilots at Pocatello AAFB and later at Majors Field Greenville Texas.

He was assigned to the group of USAAF personnel that accompanied the 201st in the P.I. arriving in May 1945. He was assigned to help the operations officer Capt. Pablo L. Rivas Martinez who later went Missing on the transportation flight .

Now what confuses me is the entry in Olynyk Victory List No.3 USAAF SWPA
WWII

he list Kester on 04.1945 1100-1122 0.333 Jack damaged with the 45th FS,15th FG 7th AF ? is this the same person or another Kester?

any help would be appreciated to sort this out.
and if anybody has a picture of him and any additional information about him would be most welcomed.

thx
Santiago