Why is Kosovo-Albania-Croatia cooperation important in the current political circumstances?

Lawmakers from both parties in Congress, NATO allies and regional governments responded to the report by warning that a premature withdrawal could destabilize the fragile security of the Western Balkans and embolden Russia and Serbia.

The US currently contributes about 600 troops to KFOR, a multinational peacekeeping force with between 4,500 and 4,800 personnel, and leads Regional Command East from Camp Bondsteel, near the city of Ferizaj. The base, built in 1999, is one of the largest US military installations in Europe and a vital logistical and operational hub for NATO in the region.

U.S. personnel in Kosovo provide a wide range of capabilities, including intelligence, logistics, and command support. They also participate in joint exercises and regular rotations involving U.S. National Guard units, reflecting the mission’s ongoing operational role in maintaining stability and readiness in the region. It remains a fiercely contested space since Serbia’s expulsion from NATO in 1999. Belgrade does not recognize its Balkan neighbor and there are regular troop movements and civil unrest.

KFOR operates under NATO authority and holds a mandate to ensure a “secure environment” and freedom of movement for all communities in Kosovo. The legal framework for the force was provided by UN Security Council Resolution 1244, which authorized an international security presence after the end of the war.

At the beginning of the mission in 1999, KFOR consisted of nearly 50,000 multinational troops, including a large American contingent. American forces played a central role in stabilizing the territory in the immediate post-war period, when Kosovo had no functioning security institutions or structures.

The mission gradually transitioned from active conflict management to long-term peacekeeping, and troop levels declined as the security situation improved. The US role has remained strategically important due to its leadership in the NATO command structure and its operational capabilities.

The Trump administration's internal discussions on Kosovo policy are part of a broader review of global military commitments, which was expected last year but has not yet been released. Officials have emphasized the need to allocate resources more efficiently and encourage allies to take greater responsibility for regional security.

Secretary of State Marco Rubio has signaled that Washington is reassessing overseas deployments to determine where American military assets are most needed. The review reflects a strategic shift toward deterrence against great powers and reinforces NATO's core mission of protecting treaty members.

One argument centers on burden-sharing. European nations contribute about 65% of KFOR troops (Italy currently supplies the largest number), and U.S. officials believe they should shoulder a larger share of the remaining responsibilities. Supporters of reducing the U.S. role say European countries have the resources and geographic proximity to manage stability in the Western Balkans.

However, the possibility of a withdrawal has created significant bipartisan concern in the U.S. Congress. On March 12, a dozen lawmakers from both parties warned Rubio that a premature reduction in U.S. forces could have knock-on effects throughout the region.

They argued that the American presence remains a critical deterrent against renewed ethnic escalation between Kosovo Albanians and Serbs. They also warned that a withdrawal could create an opportunity for outside powers, particularly Russia, to expand their influence in the Western Balkans.

European allies have expressed similar fears. Officials across NATO say a reduced American presence could encourage nationalist movements in northern Kosovo, where ethnic Serbs maintain close ties to Serbia.

Analysts also warn that instability in Kosovo could spill over into neighboring Bosnia and Herzegovina, where political tensions remain high. For many European governments, the U.S. role in KFOR symbolizes Washington's long-term commitment to security in the Balkans.

Despite the ongoing debate, NATO officials have downplayed reports of an imminent withdrawal. Spokespeople for KFOR and the alliance said that no major changes to the mission are being considered and troop levels will continue to be determined by evolving security conditions. Kosovo’s defense ministry also dismissed claims that a U.S. withdrawal is imminent.

However, even the possibility of a withdrawal highlights broader questions about the future of NATO peacekeeping missions and the changing role of the US in European security. As policymakers weigh strategic priorities, the debate over KFOR underscores the importance and continuing fragility of the Western Balkans.

In light of increased trilateral cooperation between Albania, Croatia, and Kosovo, a reduction in KFOR could be interpreted by Serbia and Russia as a sign of Western disapproval of the three countries' "minilateralism."

On the other hand, if the US withdraws from KFOR, while demonstrating support for cooperation between Albania, Croatia and Kosovo, allies may still be reassured and regional troublemakers discouraged from taking advantage of any reduction in the US military presence./TheGeopost.

David J. Kostelancik is a Non-Resident Senior Fellow at the Center for European Policy Analysis (CEPA)