With the weapon (Jacob Beser in the case of both atomic missions) was responsible for scanning the frequencies betweenģ90MHz and 430MHz and notifying the Weaponeer of the frequency and characteristics of any interference.Īccording to Leon Smith, who designed the weaponeer's control station, the weaponeer could then choose between two sets The Countermeasures Officer in the aircraft Weapon fuse was based on a radar altimeter within the bomb, stray or deliberate radio waves at just the right frequencyĬould potentially set off the bomb as soon as internal timers and a secondary bank of barometric switches had armed itĪfter leaving the bomb bay.
In theĬase of the Enola Gay and her sisters in the 509th Composite Group, that function was modified. Was to identify and counter radar that might be illuminating the squadron for gun laying or searchlight pointing. The Countermeasures Officer (called the 'Raven') was a late addition to the B-29 crew compliment. Countermeasures Position Electronic Countermeasures Position
