Baird later stated that he pinpointed the location of Takagi 's carriers .
Fletcher disbelieved the intelligence after learning that Lexington 's unit , led by Lieutenant Commander Ransom Fullinwider , had not detected the homing signals ( Prados ) .
Baird later stated that he pinpointed the location of Takagi 's carriers , but Fletcher disbelieved the intelligence after learning that Lexington 's unit , led by Lieutenant Commander Ransom Fullinwider , had not detected the homing signals ( Prados ) .