German Finance Minister and Vice Chancellor Lars Klingbeil (R), and German Economy and Energy Minister Katherina Reiche arrive for a press conference after a round table meeting on strengthening German-Ukrainian cooperation in the security and defence industry at the Defence Ministry in Berlin on April 28, 2026. (Photo by John MACDOUGALL / AFP via Getty Images)

German Finance Minister and Vice Chancellor Lars Klingbeil (R-L), German Defence Minister Boris Pistorius and German Economy and Energy Minister Katherina Reiche leave after a press conference on a round table meeting on strengthening German-Ukrainian cooperation in the security and defence industry at the Defence Ministry in Berlin on April 28, 2026. (Photo by John MACDOUGALL / AFP via Getty Images)

German Finance Minister and Vice Chancellor Lars Klingbeil (R-L), German Defence Minister Boris Pistorius and German Economy and Energy Minister Katherina Reiche address a press conference on a round table meeting on strengthening German-Ukrainian cooperation in the security and defence industry at the Defence Ministry in Berlin on April 28, 2026. (Photo by John MACDOUGALL / AFP via Getty Images)

German Finance Minister and Vice Chancellor Lars Klingbeil (R-L), German Defence Minister Boris Pistorius and German Economy and Energy Minister Katherina Reiche address a press conference on a round table meeting on strengthening German-Ukrainian cooperation in the security and defence industry at the Defence Ministry in Berlin on April 28, 2026. (Photo by John MACDOUGALL / AFP via Getty Images)

German Finance Minister and Vice Chancellor Lars Klingbeil (R-L), German Defence Minister Boris Pistorius and German Economy and Energy Minister Katherina Reiche address a press conference on a round table meeting on strengthening German-Ukrainian cooperation in the security and defence industry at the Defence Ministry in Berlin on April 28, 2026. (Photo by John MACDOUGALL / AFP via Getty Images)

German Finance Minister and Vice Chancellor Lars Klingbeil (R-L), German Defence Minister Boris Pistorius and German Economy and Energy Minister Katherina Reiche address a press conference on a round table meeting on strengthening German-Ukrainian cooperation in the security and defence industry at the Defence Ministry in Berlin on April 28, 2026. (Photo by John MACDOUGALL / AFP via Getty Images)

German Finance Minister and Vice Chancellor Lars Klingbeil (R-L), German Defence Minister Boris Pistorius and German Economy and Energy Minister Katherina Reiche address a press conference on a round table meeting on strengthening German-Ukrainian cooperation in the security and defence industry at the Defence Ministry in Berlin on April 28, 2026. (Photo by John MACDOUGALL / AFP via Getty Images)

German Finance Minister and Vice Chancellor Lars Klingbeil (R-L), German Defence Minister Boris Pistorius and German Economy and Energy Minister Katherina Reiche address a press conference on a round table meeting on strengthening German-Ukrainian cooperation in the security and defence industry at the Defence Ministry in Berlin on April 28, 2026. (Photo by John MACDOUGALL / AFP via Getty Images)