The Pentagon has confirmed the successful testing of two hypersonic missiles, amid growing concerns Russia and China have raced ahead with developing their own, pictured left.
Pentagon says a problem occurred following missile ignition. China, Russia and North Korea are all pressing ahead with hypersonic programs. The trial marked the second unsuccessful test flight.
As the UK government confirms that it will send Ukraine more weapons worth £100million including Mastiff armoured vehicles, here s a look at the Western weapons already on the ground.