How Effective was the WWII B-29 Tail Gunner?

The intent of this video is to describe the WWII B-29’s tail gunner’s station external features, walk through the interior station, and discuss the stations combat effectiveness. Takeaways from the video: Tail Gunner in Pressurized heated compartment Armored gun station Twin Browning M2 Machine guns 100% Armor Piercing Incendiaries No Tracers in ammo mix Optical illuminated Reticle Gun sight Computer accounted for ballistics Japanese attacked bombers tail during Night Japanese attacked bombers nose during Day Ratio of enemy losses to bomber losses was 70:1 for tail attacks