| Article number: | 210000025906 | 
                         
         
                        
              | Availability: | On backorder | 
 
              
                
                        
          
         
          
                    
          
          Is a supersonic variable-sweep wing, heavy bomber used by the United States Air Force and is commonly referred to as the bone due to its “B-1” designation. It is one of three strategic bombers in the U.S. Air Force fleet as of 2018. The other two are the B-2 Spirit "Stealth Bomber" and the B-52 Stratofortress