Borussia Dortmund Announces Controversial Sponsorship with Rheinmetall

The German club's partnership with the arms manufacturer begins ahead of the Champions League final against Real Madrid.

The three-year deal includes extensive advertising and marketing rights within the club's facilities.
Rheinmetall's logo will replace telecom provider 1&1 on Dortmund's jerseys.
The sponsorship reflects Germany's shifting stance on the arms industry amid global security concerns.
Rheinmetall is a key supplier of military equipment to Ukraine.
Dortmund's chairman emphasizes the importance of security and defense in current times.