:I've just reverted these changes, but Ken - you urgently need to provide the page numbers. As things stand, they all now say "p.?"  
 : The pages in question are: 
 :* Wright Model B 
 :* F-82 Twin Mustang 
 :* C-119 Flying Boxcar 
 :* Sikorsky H-5 
 :* Lockheed Constellation 
 :* P-80 Shooting Star 
 :* XB-70 Valkyrie