Grid fin
They were developed in the 1950s by a team led by Sergey Belotserkovskiy and used since the 1970s in various Soviet ballistic missile designs such as the SS-12 "Scaleboard" , SS-20 "Saber" , SS-21 "Scarab" , SS-23 "Spider" , and SS-25 "Sickle" , as well as the N-1 ( the intended rocket for the Soviet moon program ) . 
<triplet> SS-12 "Scaleboard" <subj> Soviet <obj> country of origin <triplet> SS-20 "Saber" <subj> Soviet <obj> country of origin <triplet> SS-21 "Scarab" <subj> Soviet <obj> country of origin <triplet> SS-23 "Spider" <subj> Soviet <obj> country of origin <triplet> SS-25 "Sickle" <subj> Soviet <obj> country of origin <triplet> N-1 <subj> Soviet <obj> country of origin