There is no EU army, nor is one in the pipeline. If Trump gets re-elected and reduces the US commitment to NATO there may be a need for closer defence ties across Europe, independant of the States, but that makes common sense and would extend beyond the borders of the EU.
( "Chinese virus" - boring, predictable, and slightly pathetic )
Most of the rest is rehashing the scare mongering produced by the leave side during the Brexit referendum campaign.