Putin seeks to 'make Ukraine run out of bullets before Russia runs out of soldiers'

 A successful defense may depend on the West's timely supply of further weapons

Russian President Vladimir Putin on Wednesday announced a partial  mobilization to shore up armed forces for his invasion of Ukraine

DW spoke with security expert Gustav Gressel about the strength of the  Russian military and its chances for success in light of the partial  mobilization.

DW: What's the current state of the Russian military?

Gustav Gressel: Well, they're pretty much in disarray. Russia started this war on peacetime footing

so they took the high-readiness battalions, action groups -- so one battalion plus support of professional soldiers

so one battalion plus support of professional soldiers -- and sent them to the front in February

They have used pretty much all of their high-readiness battalions over the course of the war