Rzeszów: Ursula von der Leyen used her State of the Union address on 16 September to restate a defence agenda that now runs to five flagship projects, a lending instrument with money left over, and a military mobility plan that the Commission has taken to calling a military Schengen. The projects carry confident names. Eastern Flank Watch. European Air Shield. European Space Shield. The plumbing beneath them carries no name at all, and that is where the programme will succeed or fail.

Start with the money, because it is the least ambiguous part. The Security Action for Europe facility lends at low rates to capitals buying defence capability together. Capitals did not draw the whole envelope. Somewhere between ten and fifteen billion euros sits unallocated, and the Commission president told members it will be steered into joint European-Ukrainian defence projects instead of lapsing.

Underspending a cheap loan facility during a rearmament drive is a strange outcome, and it deserves an explanation rather than a repurposing. Governments did not decline the money because they lack shopping lists. They declined because SAFE requires joint procurement, joint procurement requires agreement on a common specification, and agreement on a common specification is precisely what twenty-seven separate industrial bases have avoided for forty years. The unspent balance measures coordination failure, not fiscal restraint.

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Redirecting that balance towards Ukraine partly sidesteps the problem. Ukrainian manufacturers already build what Ukrainian forces already use, so the specification argument resolves itself at the front rather than in a working group. The EU-Ukraine Drone Alliance, launched in Kyiv in July with eighteen founding members split evenly between European and Ukrainian firms, applies exactly that logic. Its founding board pairs companies rather than ministries, which removes a layer of interinstitutional negotiation that has slowed every previous joint programme.

The trade-off is honest and worth naming. Money spent on Ukrainian production lines builds Ukrainian industrial capacity, not European capacity. That serves the immediate security interest and the medium-term accession logic. It does less for the stated goal of a European defence technological and industrial base able to supply European forces after the war ends. Both objectives are legitimate. They are not the same objective, and the address treated them as one.

The unglamorous constraint

Which brings the argument back to military mobility. A European Air Shield integrates sensors and interceptors across national air defence networks. Eastern Flank Watch does the same for ground surveillance. Neither delivers anything if a German brigade needs six weeks of permits to reach the Polish border, or if a bridge on the route to Rzeszów carries a lower axle load than a modern main battle tank.

These are not metaphors. Customs declarations, dangerous-goods paperwork, national diplomatic clearances for overflight and rail gauge changes at the old Soviet border each impose delays measured in days. Stack them and a reinforcement timeline stretches past the point where reinforcement matters. The military Schengen proposal attacks this directly by harmonising permissions and pre-clearing routes, and it is the cheapest item on the entire agenda.

It is also the hardest, for a reason that has nothing to do with defence. Granting standing transit rights to foreign troops touches sovereignty in a way that buying missiles jointly does not. Transport ministries, customs authorities and interior ministries all hold a veto over parts of the file, and none of them answer to defence councils. The Commission can propose a regulation. It cannot make a national rail operator reinforce a viaduct.

So the honest scorecard after the address looks like this. The financing instrument works but capitals cannot agree on what to buy with it. The flagship projects are architecturally sound and depend on a mobility framework that does not yet exist in law. The Ukrainian channel moves fastest because it bypasses the coordination problem rather than solving it. None of that makes the agenda wrong. It does mean the decisive test in the coming year arrives in transport councils and customs committees, not in Strasbourg.