union and germany had become noticeably warmer foreign ministers of the two states motto of an ribbentrop sign a non-aggression pact. in september one thousand nine hundred nine german troops invaded poland. this is german commander hines good video on his tanks capture the breast fortress at that time part of polish territory. this is rare footage joint so that in german military parades in accordance with the secret deal to divide europe the german military hands breast over to soviet troops in less than two years time would be on well again launch an assault on breast fortress fighting against the same troops salutes in the interim dispenser units will have gained valuable experience in successful offensive operations in europe. and. assured we have the most insane knowledge ain't to communicate between the time next headphones. and that allowed us to react small quickly. the russian tanks couldn't communicate with each other and whereas we could for example withdraw and then attack from the sites. june twenty fourth one of the most tragic days for the defenders of the fortress during