Turkey "got what it wanted" from the deal with Sweden and Finland penned Tuesday night, the Turkish president's office said in a statement.

The idea behind the hybrid ships is that they can run on liquefied natural gas (a fossil fuel), battery power or a combination of the two.

The EU failed to counter Putin and needs to now strike flexible alliances across the world and search for new friends, current and former leaders told CNBC.

Russia has become increasingly isolated from the rest of Europe over 30 years, and maps of the continent illustrate just how drastic the change has been.

Gasum, Finland's state-owned gas wholesaler, said in a statement that imports from Russia will be halted on Saturday.

Finland's bunkers have soccer pitches, playgrounds and cafeterias — and are also designed to protect citizens from attack.

Turkey, which joined the alliance in 1952, is a crucial player in NATO, boasting the second-largest military in the 30-member group after the United States.

NATO ascension for a new member state requires consensus approval from all existing members.

Finland's President Sauli Niinisto and Prime Minister Sanna Marin said their country should apply to join NATO 'without delay.' 

If Finland joins the military alliance, the land border that Russia shares with NATO territories would roughly double.

Finland and Sweden need to join NATO now while Russia's Putin is focused on Ukraine, the alliance's former chief told CNBC.