Boeing B-29 Superfortress (N69972)

N69972 Is reg to a 1944 Boeing TB-29 (B-29-70-BW) Superfortress C/N 10814)
Some history at: https://en.wikipedia.org/wiki/Doc_(aircraft)
More history at Various places on net, just do the search

you might note the missing ball turret. Doc, is a piecemeal parts and pieces replicate and never saw action -- anywhere.

DOC'S ASSIGNMENTS
Mar 45 To Birmingham Modification Center, Birmingham, AL
Apr 45 To Barksdale Field, LA
Nov 45 To Pyote Field, TX
Feb 46 Tot 414st Base Unit, Pyote Field, TX
Oct 50 To 2753rd Aircraft Storage Squadron ( Air Material Command), Pyote AFB, TX
...
so you can see, it has never seen action

http://b-29.org/b-29-doc/restoration-doc.html