At Portsmouth, Burnham offers Zelensky continuity with a jammer attached

£3 billion a year, every year, for as long as anyone now in office will be alive to vote on it. That is the number that hung over Portsmouth Naval Base on Monday 27 July 2026, when a prime minister about a week into the job tried to prove that Britain’s war policy would outlast Britain’s politics ³⁶⁷. The money, fixed at £3 billion annually under a century-long partnership with Ukraine, turns a one-government promise into a generational contract ³⁶⁷.

It was the stage Andy Burnham chose for his first face-to-face meeting with a foreign leader since taking office, hosting Ukrainian President Volodymyr Zelensky at Portsmouth ⁴⁵⁸¹⁰. For Zelensky, it was familiar ground with an unfamiliar host: Burnham is the fifth British prime minister he has dealt with since Russia’s full-scale invasion in 2022 ⁴⁶. For Burnham, it was an early test of whether continuity could be made to look like conviction.

The message was deliberately blunt. Burnham said the UK is “with Ukraine 100%” and that the visit was designed to “send a very clear message” of continued support ³¹¹. The Kyiv Independent reports the message as “We’ve got your back” ³¹¹. DW quotes Burnham saying the meeting “is intended to send a very clear message” of unwavering support ⁹. The repetition was the point: no daylight, no review, no new-government wobble.

Zelensky answered in kind, praising a relationship he described as stronger than ever and thanking Burnham for attention to defense and security ². The courtesy mattered because the timing mattered. The Portsmouth meeting came just before Zelensky’s trip to Washington, DC on Tuesday 28 July 2026, placing London as the first stop in a week when Kyiv needed to show Western alignment rather than Western fatigue ³⁶⁷.

The hardware at the center of the day was “Stone Cloak,” an electronic-warfare and drone-jamming system described as a game-changer in the drone war ⁵¹⁰. Burnham pledged the system to Ukraine, praised it as homegrown British innovation, and confirmed the model for getting it to the front: the UK has gifted thousands of units already and will now transfer the intellectual property to Ukraine for mass domestic production ⁵¹⁰. In a war increasingly decided by cheap drones and the jammers that kill them, that second half — the right to build, not just to receive — is arguably more important than the first.

Portsmouth was not only about one jammer. The two leaders also discussed missile defence for Kyiv and joint drone projects, the layered problem of protecting cities while scaling the weapons Ukraine can make itself ²⁷. Details of those projects were not disclosed in the excerpts provided, but their pairing with Stone Cloak tells its own story: survival today and production tomorrow.

Beyond the battlefield, Burnham pledged that Britain will push for a full ceasefire and help lead a multinational peacekeeping force once the guns fall silent ³⁷. The pledge is forward-leaning and deliberately conditional — peacekeepers after, not troops now — and it positions London as willing to help underwrite whatever settlement might eventually emerge. Zelensky, for his part, warned that Russia’s Black Sea blockade threatens global food security, a reminder that the war’s leverage extends far beyond the front line to grain routes and world markets ².

Taken together, the day was less a negotiation than a signal. A new prime minister, a fifth counterpart, the same £3 billion-a-year anchor, plus a transferable jammer and a promise to lead after a ceasefire ^36751037. The sources confirm the date, location, participants, the quotes above, and the Stone Cloak pledge, but they do not provide full verbatim text for every remark attributed to the leaders. The BBC excerpt, for example, cuts off at “To put it simply, Volodymyr, I want you to know that we’ve...” so the exact continuation cannot be confirmed from these sources ³. What can be confirmed is consistent: London wanted Kyiv — and Washington — to hear continuity.