218 



U.S.S.R. 



LUNA 9 

 LUNA 10 

 LUNA 11 

 LUNA 12 

 LUNA 13 

 LUNA 14 

 LUNA 15 

 LUNA 16 

 LUNA 17 

 LUNA 18 

 LUNA 19 

 LUNA 20 

 LUNA 21 



LUNA 22 

 LUNA 23 



LUNA 24 



January 31, 1966, soft landing on Moon, returned 

 27 pictures. 



March 31, 1966, successful Moon orbit, returned 

 physical measurements from lunar orbit. 



August 24, 1966, partial success. It failed to 

 return pictures from the lunar orbit. 



October 22, 1966, success. It returned pictures 

 from the Moon. 



December 21, 1966, success. It returned pic- 

 tures and soil density measures. 



April 7, 1968, success. It returned data on 

 lunar mass distribution. 



July 13, 1969, partial success. The lunar orbit 

 was a success, but the landing failed. 



September 12, 1969, success. It made an automated 

 sample return. 



November 10, 1969, success. It landed an auto- 

 mated roving vehicle for long-term exploration. 



September 2, 1971, partial success. The lunar 

 orbit was a success, but it crashed on landing. 



September 28, 1971, success. It returned photos 

 and other data. 



February 14, 1972, successful. It made an auto- 

 mated sample return. 



January 8, 1973, successful soft Moon landing. 

 It placed an automated roving vehicle for long- 

 term exploration. 



May 29, 1974, success. It returned pictures and 

 data. 



October 28, 1974, partial success. It landed 

 safely, but the drill was damaged so no sample 

 was returned. 



August 9, 1976, successful soft landing on the 

 Moon. It made an automated sample return of 

 soil. 



