 While daylight made it easier for the fighter-bombers to find their targets, it also revealed the location of Whitted's men, particularly his company commanders close by their radio antennas.All three were soon hit, but Whitted, although bleeding from a wound himself, arranged to replace them.At a climactic moment in the fight, one of those replacements, Captain Eurípides Rubio, realized that a smoke grenade intended to mark the PAVN's position for an incoming air strike had landed perilously close to his own men.