Ｂ２９乗組員用手引き書、１９４４年１２月。
B-29 Combat Crew Manual, December 1944.
B-29 Combat Crew Manual, December 1944
B-29 Combat Lead Crew School. XXI Bomber Command document. Source: Curtis LeMay Papers, Library of Congress, Washington D.C.
Ｂ２９乗組員用手引き書、１９４４年１２月。
B-29 Combat Crew Manual, December 1944.
B-29 Combat Crew Manual, December 1944
B-29 Combat Lead Crew School. XXI Bomber Command document. Source: Curtis LeMay Papers, Library of Congress, Washington D.C.