Ammunition for some missile defense systems could be almost exhausted by the end of March, according to two Western officials who met with Ukrainian counterparts at a security conference last month. Read also: Ukraine faces unequal ammunition resources amid Russian invasion — UA officer Currently, Ukraine tries to shoot down four out of every five missiles fired at its cities. However, soon it will only be possible to try to down only one out of five, one official said. Read also: Ukraine faces ‘catastrophic’ shortage of ammunition and air defense by spring – report “This will have a significa…