220 



U.S.S.R. 



VENERA 10 



VENERA 11 



VENERA 12 



VENERA 13 



VENERA 14 



VENERA 15 



VENERA 16 



June 14, 1975, success. It returned pictures 

 and other data. 



September 9, 1978, success. It returned data 

 from the surface. 



September 14, 1978, success. It returned data 

 from the surface. 



October 20, 1978, success. It soft-landed on 

 March 1, 1982. 



November 4, 1981, success. It soft-landed on 

 March 5, 1982. 



June 2, 1983, success. It achieved orbit on 

 October 19, 1983. It carries radar. 



June 7, 1983, success. It achieved orbit on 

 October 14, 1983. It carries radar. 



