In February 2026, U.S. Vice President J.D. Vance undertook a diplomatic tour of Armenia and Azerbaijan that the governments in Yerevan and Baku characterized as the most consequential U.S. engagement in the South Caucasus since the Washington-hosted Armenia-Azerbaijan peace summit of August 2025. The trip signaled that Washington’s diplomatic, economic, and security focus is intensifying at a strategic level in a region long dominated by Russian influence.

This visit, historic in both symbolism and substance, reflects a multidimensional U.S. agenda: anchoring the consolidation of peace, expanding economic and technological ties, and reconfiguring regional alignments amidst evolving global competition.

Vance’s visit marked the first such trip by a sitting U.S. vice president to Armenia and only the second to Azerbaijan in modern history. Concrete commitments regarding energy, connectivity, technology, and defense cooperation were achieved, signaling an emerging long-term U.S. policy of sustained engagement within the South Caucasus.

At the core of U.S. policy is a drive to institutionalize the fragile Armenia-Azerbaijan peace process. Vance’s engagement underscored that Washington views a sustainable peace between Yerevan and Baku as foundational to regional stability. The Biden and subsequent Trump administrations have framed this objective not simply in humanitarian or moral terms, but as essential to unlocking the broader socio-economic potential across the Eastern Europe–West Asia arc.

The U.S. role has shifted from pure mediation to constructing peace infrastructure through diplomatic backing, economic incentives, and active support for confidence-building measures. Washington’s articulation of its role as a guarantor of peace is intended to firmly anchor Armenia and Azerbaijan within cooperative frameworks that mitigate the risk of renewed conflict. This carries resonance beyond bilateral relations—it shapes how regional powers, including Russia, Turkey, and Iran, perceive the balance of influence.

A central focus of Vance’s visit was the promotion of the so-called “Trump Route for International Peace and Prosperity” (TRIPP), a proposed transit corridor linking mainland Azerbaijan to its Nakhchivan exclave via Armenian territory. The corridor initiative, backed by U.S. firms holding exclusive development rights for decades, is more than just a transport project—it is a geopolitical instrument designed to integrate the Caucasus into broader trade and logistics networks extending from Central Asia to Europe.

For Washington, connectivity projects like TRIPP serve multiple strategic ends. First is the economic leverage, which involves embedding U.S. companies in key infrastructure to foster enduring economic ties and govern long-term commercial stakes. The second aspect is geostrategic positioning, which involves establishing alternative east-west transit routes to reduce dependency on Russia-dominated corridors. This aligns with U.S. objectives of diversifying supply lines and integrating transit networks under Western norms.

To this end, in Baku, Vance signed a Charter on Strategic Partnership that formalized cooperation across the connectivity, energy, digital infrastructure, and security fields, signaling a deepening and more institutionalized framework for U.S.-Azerbaijan engagement.

Energy remains a central pillar of U.S. strategic interest in the “Near Abroad,” and the South Caucasus is key to diversifying global supply routes. The region is situated upon oil and gas fields essential to Europe’s and Asia’s energy security calculations and offers potential transit routes that bypass Russia and Iran. The U.S. has historically supported energy diversification in Europe and Asia to reduce reliance on adversarial states. Vance’s visit underscored the significance of enhancing energy and digital connectivity corridors. By reinforcing Azerbaijan’s role as a transit hub while simultaneously promoting Armenian infrastructure development, Washington is effectively shaping the energy landscape in ways that serve Western market access and supply diversification goals.

Beyond physical infrastructure, the U.S. also signaled a commitment to technological cooperation. The Armenian leg of Vance’s trip included the advancement of cooperation on civilian nuclear energy and digital technology—notably small modular reactors and advanced AI infrastructure—with the aim of integrating Armenia into advanced technological value chains.

Finally, Vance’s visit expanded the security dimension of U.S. engagement. While not reaching the level of NATO guarantees or U.S. military bases, the commitments included defense technology transfers—such as reconnaissance systems—and formal dialogues on security cooperation. For Armenia, this was particularly notable as it represented a diversification away from its historical reliance on Russian military support.

For Azerbaijan, expanded security ties with the United States underscore Baku’s own strategic calculus: balancing its relationships with Turkey, Russia, and the West. This recalibration reflects the broader trend of states hedging across multiple great powers to optimize security and economic outcomes.

Vance’s mission reveals a calculated U.S. strategy to position the South Caucasus as a space of competitive but managed great-power engagement, with Washington asserting a structural role that goes beyond ad hoc diplomacy. This posture intersects with broader geopolitical dynamics. The visit also marks a watershed in U.S. engagement with Armenia and Azerbaijan, as it reveals a comprehensive U.S. strategy to embed itself in the South Caucasus at multiple levels. This engagement reflects Washington’s deepening interest in shaping the region’s geopolitical architecture in ways that align with broader U.S. objectives: anchoring peace, diversifying energy and economic linkages, counterbalancing adversarial influence, and advancing shared prosperity and stability.

Emil Avdaliani is a professor of international relations at the European University in Tbilisi, Georgia, and a scholar of Silk Roads. He can be reached on Twitter/X at @emilavdaliani.

https://caucasuswatch.de/en/insights/washingtons-renewed-caucasus-focus-vances-visit-and-us-strategic-interests-in-armenia-and-azerbaijan.html