Exhibit 12

LOCKHEED MARTIN CORPORATION

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

FOR THE YEAR ENDED DECEMBER 31, 2006

(In millions, except ratio)

 

EARNINGS

  

Earnings before income taxes

   $ 3,592  

Interest expense

     361  

Losses (undistributed earnings) of 50% and less than 50% owned companies, net

     (20 )

Portion of rents representative of an interest factor

     56  

Amortization of debt premium and discount, net

     (5 )
        

Adjusting earnings before income taxes

   $ 3,984  
        

FIXED CHARGES

  

Interest expense

   $ 361  

Portion of rents representative of an interest factor

     56  

Amortization of debt premium and discount, net

     (5 )

Capitalized interest

     —    
        

Total fixed charges

   $ 412  
        

RATIO OF EARNINGS TO FIXED CHARGES

     9.7