Putin announced in March he had agreed to deploy such weapons in Belarus, pointing to US deployment of tactical nuclear weapons in a host of European countries over many decades.
The Security Council is the only UN body that can make legally binding decisions such as imposing sanctions and authorizing use of force.
The United States has denounced the prospective deployment of nuclear weapons in Belarus but says its stance on the use of such weapons has not been altered.
The United States has said the world faces the gravest nuclear danger since the 1962 Cuban Missile Crisis because of remarks by President Vladimir Putin during the Ukraine conflict.
Russia moved ahead on Thursday with its plan to deploy tactical nuclear weapons in Belarus, whose leader said the warheads were already on the move.
In Washington, State Department spokesperson Matthew Miller described the plans as "the latest example of irresponsible behavior that we have seen from Russia."
Lukashenko's reported visit to the base was his first public appearance in almost a week, following speculation over the health of the 68-year-old leader.
Will Belarus' opposition leader, Sviatlana Tsikhanouskaya, gain political traction if Lukshenko's health rapidly declines?
Lukashenko's office declined to comment on the state of his health while Russia denied he was ill.
The Kremlin faces logistical problems by transporting Iranian suicide drones from the Middle East. Production in neighboring Belarus would result in easier transportation.
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