The world's most powerful militaries of 2026 have been revealed (Image: Getty)The UK has been dealt a sobering wake-up call after sliding down the definitive global military power rankings, falling behind key European and Asian rivals in 2026. Britain has officially slipped out of the top tiers of global military might, with the UK now ranking behind both France and Japan.The dynamic shifts stem from the highly respected 2026 Global Firepower Index, which evaluates 145 nations to rank the world's most capable fighting forces. While the very top of the list remains dominated by the usual superpowers, a significant reshuffle...