In 1940 Yatskov had graduated the NKVD intelligence school majoring in English and was assigned to NKVD Department 5 Section 5. In 1941 he was given his first overseas assignment in New York as a case officer at the NKVD station at the Soviet Consulate general under the alias name of Anatoly Yakovlev. His NKVD operational alias at the time was JONNY. He was employed as a consular apprentice till 1943, being eventually promoted to Soviet vice-concul. In New York station Yatskov was eventually assigned to most sensitive NKVD operations concerning the allied Manhattan project. NKVD New York station was crucial for the Soviet Union in obtaining most sensitive data on the U.S. Army Los-Alamos nuclear facility and precise knowledge on development of the A-Bomb. Among other activities Yatskov has recruited Harry Gold at Pennsylvania Sugar Company, his NKVD colleague Alexander Feklisov further employing Gold to liaise with Soviet agents in the U.S. Manhattan Project. Beside Gold main NKVD courriers between New York and Los Alamos National Laboratory included Cohencouple. Being close with Cohens Yatskov was able to covertly communicate with chief atomic scientistKlaus Fuchs directly involved in Manhattan Project. Yatskov was rotated back from New York back to Russia in 1946. Having left U.S. soil four years prior to the Rosenbergs trial he was summoned in the indictment as one of Julius Rosenberg NKVD case officers but legal action was waived due to his diplomatic immunity. Returning to the Soviet Union, Yatskov was awarded rank of NKVD colonel and held senior positions in NKVD foreign scientific department. He was engaged in case handlings in Europe and Asia, in 1950s being posted to Paris and Berlin as well as covertly living for some time in Iraq as a Canadian national. In 1960s Yatskov was named the senior case officer in KGB foreign scientific department responsible for assessing and recruiting foreign scientists on Soviet soil. In 1970s Yatskov had left active posts and was named the scientific head of KGB Intelligence Academy. He retired from KGB as a colonel in 1985, living in Moscow in his retirement and buried at Moscow Vagankov cemetery.
Honours
Yatskov was awarded Soviet medals for Orders of October Revolution, Red Banner, and the Red Star, as well as the honorary KGB medal for "Distinguished Security Services". In 1996 his lifetime achievements for Russian state were posthumously awarded the highest honour of Hero of the Russian Federation. In his 1992 interview Yatskov mentioned that in 1950s the FBI had uncovered "less than the half of NKVD U.S. network" publicly referring to an uncovered atomic source at that time still alive in U.S. as PERSEUS.
