Exhibit 11

                          LOCKHEED MARTIN CORPORATION
                   COMPUTATION OF EARNINGS PER COMMON SHARE



 
 
                                                          Three Months Ended
                                                             September 30,
                                                          1997           1996
                                                        --------       --------
                                                        (In millions, except per
                                                              share data)
                                                                  
ASSUMING NO DILUTION:
- --------------------                                 
Average number of common shares outstanding               185.9           191.2
                                                         ======          ======
                                                                      
Net earnings                                             $  331          $  311
  Less: Preferred stock dividends                           (15)            (15)
                                                         ------          ------
                                                                      
Net earnings applicable to common stock                  $  316          $  296
                                                         ======          ======
                                                                      
Earnings per common share                                $ 1.70          $ 1.55
                                                         ======          ======
                                                                      
ASSUMING FULL DILUTION:                                               
- -----------------------                                               
Average number of common shares outstanding               185.9           191.2
                                                                      
Dilutive stock options-based on the treasury stock                    
 method using the September 30 market prices, if                      
 higher than average market price                           4.5             4.6
                                                                      
Assumed conversion of the Series A preferred stock         28.9            28.9
                                                         ------          ------
                                                                      
                                                          219.3           224.7
                                                         ======          ======
                                                                      
Net earnings                                             $  331          $  311
                                                         ======          ======
                                                                      
Earnings per common share                                $ 1.51          $ 1.38
                                                         ======          ======


 
                                                          Exhibit 11 (Continued)

                          LOCKHEED MARTIN CORPORATION
                   COMPUTATION OF EARNINGS PER COMMON SHARE



 
    
                                                            Nine Months Ended
                                                               September 30,
                                                          1997              1996
                                                        --------          --------
                                                        (In millions, except per
                                                               share data)
                                                                    

ASSUMING NO DILUTION:
- ---------------------                                 
Average number of common shares outstanding               184.9              190.2
                                                         ======             ======
                                                                         
Net earnings                                             $  929             $  882
  Less: Preferred stock dividends                           (45)               (45)
                                                         ------             ------
                                                                         
Net earnings applicable to common stock                  $  884             $  837
                                                         ======             ======
                                                                         
Earnings per common share                                $ 4.78             $ 4.40
                                                         ======             ======
                                                                       
ASSUMING FULL DILUTION:                                                
- -----------------------                                                  
Average number of common shares outstanding               184.9              190.2
                                                                       
Dilutive stock options-based on the treasury stock                     
 method using the September 30 market prices, if                         
 higher than average market price                           4.9                5.1
                                                                         
Assumed conversion of the Series A preferred stock         28.9               28.9
                                                         ------             ------
                                                                         
                                                          218.7              224.2
                                                         ======             ======
                                                                         
Net earnings                                             $  929             $  882
                                                         ======             ======
                                                                       
Earnings per common share                                $ 4.25             $ 3.93
                                                         ======             ======