NATO defense ministers are currently debating how to increase the supply of weapons and ammunition to Ukraine.
In order to help Ukraine defend itself against Russia, several member states are providing it with weapons, including tanks and missile systems.
A defensive military alliance, NATO stands for the North Atlantic Treaty Organization. The US, UK, Canada, and France were among the 12 nations that founded it in 1949.
In the event of an attack, members promise to aid one another.
The organization's initial objective was to oppose Russian expansion in Europe following World War Two. .
Numerous Eastern European nations that had previously been Warsaw Pact allies of Russia were granted membership in NATO following the collapse of the Soviet Union in 1991.
Nato's acceptance of these nations has long been criticized by Russia as a security threat. It has vehemently opposed Ukraine's application to join the alliance because it believes that doing so would infringe too closely on its territory.
Several of the alliance's members have given Ukraine arms and ammunition.
The United States is sending 31 Abrams tanks, the United Kingdom is sending 14, Germany is sending 14, and Norway is sending 8 Leopard 2 tanks.
Additionally, the US has sent Bradley and Stryker armored fighting vehicles.
Furthermore, the US and the UK have sent the Ukraine long-range missile systems like the Himars and the M142, which have been attacking targets behind Russia's front lines.
While Turkey sold Bayraktar TB2 armed drones, other Nato nations contributed howitzers and self-propelled guns.
To intercept Russian cruise missiles and drones over Ukraine, the US and others have provided air defense systems like Patriot and Starstreak.
The US and UK provided anti-tank weapons like Javelin and Nlaw, which were essential in halting Russia's advance on the Ukrainian capital of Kyiv in the spring of 2022.
Jens Stoltenberg, the secretary-general of NATO, asserts that, at the moment, Ukraine is consuming ammunition more quickly than member states can supply it.
It is believed that Ukraine is currently especially low on 155mm artillery shells. The US and UK are requesting their domestic manufacturers to increase production as a result.
For fear of directly provoking a conflict with Russia, NATO nations are not sending troops to Ukraine.
The same reason prevented them from enforcing a no-fly zone over Ukraine.
Since Russia's invasion, however, NATO nations have stationed 40,000 troops in eastern Europe, on the soil of allies like Lithuania and Poland.
A further 300,000 soldiers are on high alert in Europe.
Despite declining Ukraine's most recent request for "fast-track" membership, NATO informed the country in 2008 that it could eventually become a member of the organization.
This is due to Article 5 of the NATO charter, which states that when one member is attacked, all members are required to defend that member.
Nato nations would technically have to declare war on Russia if Ukraine were admitted.
Russia and Finland are separated by the Baltic Sea and a 1,340 km (833 mi) land border in Finland.
Both believed that remaining neutral nations would be safer than joining NATO for seven decades.
However, they requested quick admission to the alliance following Russia's invasion of Ukraine.
The two nations would increase NATO's force by 280,000 soldiers (including reservists) and more than 200 combat aircraft.
Any new member of NATO must be approved by all 30 members, which 28 have done. Only Turkey and Hungary haven't yet.
The Turkish government demands their extradition, alleging that both Sweden and Finland are harboring "terrorists" who are Turkish citizens.
If Turkey and Hungary continue to oppose Finland and Sweden's membership, Professor Tracey German, a conflict and security expert at King's College London, issues the following warning:
"Keeping [them] in this grey area, where they have no defense from Nato's collective security guarantees, is putting [them] in a awkward situation," she claims.
They could be susceptible to Russian coercion or interference.
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