Latvian Prime Minister Resigns as Ukrainian Drone Crashes Expose NATO Defence Gaps

Across eleven days, five countries on NATO's eastern flank faced drone incidents and responded in five different ways. Latvia's government fell. Finland closed airspace. Lithuania's radars missed a drone entirely. Romania moved civilians away from exploding debris. Estonia told Ukraine to build kill switches into its aircraft. NATO had no common protocol to tell them what came next.

The Cascade

It began on May 7, when two Ukrainian long-range drones entered Latvian airspace from Russia and crashed near Rezekne, damaging empty oil tanks and prompting a military admission that sensors detected the drones but did not engage because "all safety criteria were not met." Defence Minister Andris Spruds was dismissed three days later. By May 14, Prime Minister Siliņa had resigned.

The pattern then moved north. On May 15, Helsinki airport stopped operations for several hours after drone threats, while fighter jets were scrambled over the Gulf of Finland coast. Two days later, a suspected Ukrainian military drone crashed in Lithuania's Utena district. Lithuania's military later confirmed its radars had not detected it at all.

Romania has been living with the same problem with far less European attention. It has absorbed 14 Russian drone incidents in 2026 alone, three carrying live explosives. In April, a drone strike in Galați damaged buildings and forced the evacuation of 515 civilians. It barely registered as a pan-European story.

Five Countries, Five Improvised Responses

NATO has no binding common rulebook for this kind of drone spillover. Its rules of engagement do not apply to national armed forces operating on their own soil. Each government decides for itself whether to shoot, warn, wait, or call allies.

Operation Eastern Sentry, launched in September 2025, coordinates sensor networks and shares intelligence. That is useful plumbing, but it does not set the political threshold for when a drone should be brought down or when an incident should be treated as escalation.

The result was improvisation by national habit. Latvia saw the drones and did not act. Lithuania did not see one at all. Finland closed civilian airspace. Romania absorbed repeated strikes while testing counter-drone systems at NATO's Eastern Phoenix exercise. Estonia's Defence Minister Hanno Pevkur chose a different lever, publicly demanding Ukraine build automatic kill switches into its drones so they self-destruct when they drift off course.

The B9 summit, bringing together the nine NATO eastern flank states from Romania to Estonia, met in Bucharest on May 13. Its joint declaration recognised "the urgent need to continue strengthening NATO's air and missile defence, including against UAS threats". Hungary signalled "constructive abstention", refusing to endorse the agreed language. The text named the problem, but it did not create an operational answer.

Who Absorbs the Cost

Ukraine says Russian electronic warfare systems are deliberately diverting its drones toward NATO territory. Latvia's military and Estonian intelligence broadly accept that explanation. But accepting the cause does not remove the pressure from the country where the drone lands.

Latvia showed how quickly the military question becomes a political one. NATO strategic communications expert Jānis Sārts warned that firing the defence minister over a drone incident "sends a signal to Russia that Latvia can be easily provoked". Lithuania's President Nausėda, watching Latvia's government collapse, issued stern warnings about airspace sovereignty five days before a drone crashed on his own territory.

Sweden's Aurora 26 exercise on Gotland underlined the military weakness behind the politics. Ukrainian drone operators acting as a Red Team repeatedly overwhelmed Swedish forces. Defence Minister Pål Jonson acknowledged Sweden was "totally overrun".

The Ukrainian instructors were blunt about the technology. Swedish systems relied too heavily on GPS guidance, they said, which breaks down in electronic warfare environments. The lesson was awkward but plain: European armies have been buying and training for a drone war that is already changing faster than their procurement cycles.

More than €12 billion in Baltic and Nordic counter-drone procurement is now under way, partly funded through the EU's SAFE instrument, a new emergency defence credit line that allows member states to borrow for military purchases. But the buying remains national. Each country is choosing its own systems, on its own timetable, with no guarantee they will talk to each other.

Eleven days of drone incidents produced five national crises. They did not produce a collective response.