Outgoing US President Joe Biden released another $2.4 billion in military aid to Ukraine as President Volodymyr Zelensky visited the White House on Thursday. The package includes another Patriot air-defence system, long-range bombs and drones. Biden also said that another $5.5 billion was set to flow to Ukraine before his term ends in January. Additionally, the US will support the training of another 18 Ukrainian pilots on F-16 fighter jets. The US-made jets are provided by other countries, but the US government participates in the training programme. Biden said it was “clear we stand with Ukr…