At 4:20 a.m. on September 18, an explosion occurred near Chișinău, the capital of Moldova. Residents on the eastern outskirts reported a bright flash followed by a sizable explosion. Authorities searched for hours before discovering the remnants of a drone, including a jet engine, in a harvested field near the village of Colonița. This village is part of the Chișinău municipality and is located approximately seven kilometers east of the capital. The explosion was audible in parts of the city.
Moldova’s Ministry of Defense noted no unauthorized overflights that night. Positioned between Ukraine and Romania and as an EU candidate, Moldova is outside NATO. It has limited radar coverage and lacks a national mobile phone alert system. This is problematic, as Moldova has dealt with falling drones and debris since Russia invaded Ukraine in 2022. The Colonița explosion and the frequency of drone incursions reveal a vulnerability in Moldova’s airspace defense.
The September 18 incident marked the first known drone explosion within the Chișinău municipality. Although drones had previously flown overhead, this one fell within the city limits. Residents identified the explosion before authorities located it, highlighting the need for timely warnings when drones explode near political and economic centers.
Moldova experienced four unauthorized airspace incidents in 2022, six in 2023, ten in 2024, and 17 in 2025. By mid-August 2026, there were already 16 violations; by September 24, the number increased to 44. On that morning alone, four aerial objects crossed Moldovan airspace, leading to a temporary closure of northern airspace. The sharp rise in violations calls for more than diplomatic responses, as these incidents underscore Moldova’s exposed position.
The reasons for these airspace violations are uncertain. However, Moldova needs to improve public warnings and detection without identifying drones’ destinations. President Maia Sandu recognized that surveillance is better but still insufficient. Existing defense systems protect only critical infrastructure. In July, the EU committed €120 million to a medium-range air-defense system for Moldova, taking time to deploy. Meanwhile, closing the warning gap remains crucial.
Chișinău should implement faster flight data exchanges with Romania and Ukraine. When a drone crossed into Romanian airspace on September 8, the RO-Alert system notified several counties within minutes. Moldova lacks a similar alert system, leaving the Rîșcani district uninformed when the same drone fell later.
Norway’s prime minister stated that a drone nearly hit Ukrainian President Zelensky’s aircraft departing from Chișinău. Moldova’s ambassador in Washington suggested this timing wasn’t accidental. An early alert system, MD-ALERT, was approved in March and funded by a World Bank loan. It’s set for 2027 and focuses on natural disasters, not falling drones. It’s not yet linked to radar and interception systems funded by the EU.
The U.S. has a stake in Moldova’s security. Between February 2022 and September 2024, it announced up to $1 billion in aid for Moldova. This commitment remains, as evidenced by an $8 million cybersecurity initiative announced in May. While the U.S. continues to back Moldova’s resilience, its support has stayed focused on cybersecurity. There is no comparable support for drones, radar, or public warning systems.
Addressing the drone threat doesn’t require new aid packages. A modest allocation through U.S. Foreign Military Financing or NATO initiatives could extend existing support to the drone threat. The Colonița event showed the need for real-time data sharing with Bucharest and Kyiv. A security-specific alert system for areas at risk, including Chișinău, could operate before broader civil protection systems are in place. Romania’s alert on September 8, for a different drone, demonstrated the effectiveness of timely warnings. Moldova must provide similar alerts to avoid another surprise drone announcement.
Will Kingston-Cox is the founder and managing director of Europinion. Laurențiu Pleșca is a program officer at the German Marshall Fund of the United States.