BERLIN, GERMANY - JUNE 24: German Chancellor Friedrich Merz (R) greets French President Emmanuel Macron ahead of a meeting of the E5 group of nations plus NATO on June 24, 2026 in Berlin, Germany. German Chancellor Friedrich Merz is hosting leaders from the European Group of Five (E5), including Polish Prime Minister Donald Tusk, outgoing British Prime Minister Keir Starmer, French President Emmanuel Macron and Italian Prime Minister Giorgia Meloni, and NATO Secretary GeneralMark Rutte joining remotely from Washington, D.C. The group's agenda includes discussion on the conflict in Ukraine and preparations for the upcoming NATO Summit in Ankara, Turkey next month. (Photo by Michele Tantussi/Getty Images)

BERLIN, GERMANY - JUNE 24: German Chancellor Friedrich Merz (R) greets French President Emmanuel Macron ahead of a meeting of the E5 group of nations plus NATO on June 24, 2026 in Berlin, Germany. German Chancellor Friedrich Merz is hosting leaders from the European Group of Five (E5), including Polish Prime Minister Donald Tusk, outgoing British Prime Minister Keir Starmer, French President Emmanuel Macron and Italian Prime Minister Giorgia Meloni, and NATO Secretary GeneralMark Rutte joining remotely from Washington, D.C. The group's agenda includes discussion on the conflict in Ukraine and preparations for the upcoming NATO Summit in Ankara, Turkey next month. (Photo by Michele Tantussi/Getty Images)

BERLIN, GERMANY - JUNE 24: German Chancellor Friedrich Merz (L) welcomes Polish Prime Minister Donald Tusk as he arrives ahead of a meeting of the E5 group of nations plus NATO on June 24, 2026 in Berlin, Germany. German Chancellor Friedrich Merz is hosting leaders from the European Group of Five (E5), including Polish Prime Minister Donald Tusk, outgoing British Prime Minister Keir Starmer, French President Emmanuel Macron and Italian Prime Minister Giorgia Meloni, and NATO Secretary General Mark Rutte joining remotely from Washington, D.C. The group's agenda includes discussion on the conflict in Ukraine and preparations for the upcoming NATO Summit in Ankara, Turkey next month. (Photo by John MacDougall - WPA Pool/Getty Images)

BERLIN, GERMANY - JUNE 24: German Chancellor Friedrich Merz (R) greets Polish Prime Minister Donald Tusk ahead of a meeting of the E5 group of nations plus NATO on June 24, 2026 in Berlin, Germany. German Chancellor Friedrich Merz is hosting leaders from the European Group of Five (E5), including Polish Prime Minister Donald Tusk, outgoing British Prime Minister Keir Starmer, French President Emmanuel Macron and Italian Prime Minister Giorgia Meloni, and NATO Secretary GeneralMark Rutte joining remotely from Washington, D.C. The group's agenda includes discussion on the conflict in Ukraine and preparations for the upcoming NATO Summit in Ankara, Turkey next month. (Photo by Michele Tantussi/Getty Images)

BERLIN, GERMANY - JUNE 24: German Chancellor Friedrich Merz (R) greets Polish Prime Minister Donald Tusk ahead of a meeting of the E5 group of nations plus NATO on June 24, 2026 in Berlin, Germany. German Chancellor Friedrich Merz is hosting leaders from the European Group of Five (E5), including Polish Prime Minister Donald Tusk, outgoing British Prime Minister Keir Starmer, French President Emmanuel Macron and Italian Prime Minister Giorgia Meloni, and NATO Secretary GeneralMark Rutte joining remotely from Washington, D.C. The group's agenda includes discussion on the conflict in Ukraine and preparations for the upcoming NATO Summit in Ankara, Turkey next month. (Photo by Michele Tantussi/Getty Images)

BERLIN, GERMANY - JUNE 24: (L-R) Italy's Prime Minister Giorgia Meloni, Britain's Prime Minister Keir Starmer, Poland's Prime Minister Donald Tusk, France's President Emmanuel Macron and Germany's Chancellor Friedrich Merz talk on the terrace of the Chancellery at the start of the meeting of the E5 group of nations plus NATO on June 24, 2026 in Berlin, Germany. German Chancellor Friedrich Merz is hosting leaders from the European Group of Five (E5), including Polish Prime Minister Donald Tusk, outgoing British Prime Minister Keir Starmer, French President Emmanuel Macron and Italian Prime Minister Giorgia Meloni, and NATO Secretary General Mark Rutte joining remotely from Washington, D.C. The group's agenda includes discussion on the conflict in Ukraine and preparations for the upcoming NATO Summit in Ankara, Turkey next month. (Photo by Michael Kappeler - Pool/Getty Images)

BERLIN, GERMANY - JUNE 24: France's President Emmanuel Macron and Germany's Chancellor Friedrich Merz talk on the terrace of the Chancellery at the start of the meeting of the E5 group of nations plus NATO on June 24, 2026 in Berlin, Germany. German Chancellor Friedrich Merz is hosting leaders from the European Group of Five (E5), including Polish Prime Minister Donald Tusk, outgoing British Prime Minister Keir Starmer, French President Emmanuel Macron and Italian Prime Minister Giorgia Meloni, and NATO Secretary General Mark Rutte joining remotely from Washington, D.C. The group's agenda includes discussion on the conflict in Ukraine and preparations for the upcoming NATO Summit in Ankara, Turkey next month. (Photo by Michael Kappeler - Pool/Getty Images)

BERLIN, GERMANY - JUNE 24: German Chancellor Friedrich Merz (R) welcomes Polish Prime Minister Donald Tusk as he arrives ahead of a meeting of the E5 group of nations plus NATO on June 24, 2026 in Berlin, Germany. German Chancellor Friedrich Merz is hosting leaders from the European Group of Five (E5), including Polish Prime Minister Donald Tusk, outgoing British Prime Minister Keir Starmer, French President Emmanuel Macron and Italian Prime Minister Giorgia Meloni, and NATO Secretary General Mark Rutte joining remotely from Washington, D.C. The group's agenda includes discussion on the conflict in Ukraine and preparations for the upcoming NATO Summit in Ankara, Turkey next month. (Photo by John MacDougall - WPA Pool/Getty Images)