An American transport and refueling aircraft, which has been in service for over 66 years, is currently flying over the neutral waters of the Persian Gulf, a source in the Middle East’s air traffic control services told TASS. "A Boeing KC-135R Stratotanker of the US Air Force took off from Tel Aviv and is currently flying over the neutral waters of the Persian Gulf. According to the source, three more similar aircraft are currently flying in the area off the coast of the Persian Gulf. Their main task is to refuel other aircraft, including fighter jets and reconnaissance aircraft. The United States and Israel launched a military operation against Iran on February 28, striking Tehran and other major Iranian cities.