The Russian General Staff has prepared a scenario for the additional mobilisation of 600,000 people across 2026 and 2027 — 300,000 in each year — chiefly to bring units fighting Ukraine up to strength; Putin will most likely decide after the 18–20 September State Duma elections.
A belligerent's intelligence services briefing on the other side's internal planning, recorded as their claim. The supporting figures they gave — 240,000 Russian personnel lost January–July against 232,000 contract recruits, convict-recruitment categories widened, 15–60 days' training — are part of the claim, not corroboration of it.