Military operations in Vietnam. Rallies of solidarity with the people of Vietnam in various cities of the USSR. Members of the Vietnamese delegation at meetings with comrades A. N. Kosygin, L. I. Brezhnev in Moscow. The Soviet delegation headed by AN Kosygin at a meeting with Ho Chi Minh in Hanoi. Workers of various industrial enterprises of the USSR carry out orders for Vietnam. Soviet people send gifts to Vietnam. Leonid Brezhnev speaks from the rostrum of the Kremlin Palace of Congresses on the day of the 20th anniversary of victory in the Great Patriotic War (Moscow).