<span style="color: #222222;">Third US flight carrying medical assistance to India through National Airlines Boeing 747-400 Cargo Aircraft will arrive in Delhi tonight. The Medical Aid includes Oxygen Concentrators, Oxygen Cylinders, Medicines and more than 100 tons of other COVID related Medical products.</span><br />'' <span style="color: #222222;"> </span><br />'' <span style="color: #222222;">The United States had earlier sent two aircraft in this week with similar COVID related medical relief material.</span><br />''  <br />