All trials of the UK Army’s Ajax armoured vehicle have been halted after another soldier fell ill due to vibration injuries, reigniting concerns over the £6.3 billion defence programme. The British Defence Minister ordered a pause amid multiple investigations into noise and vibration-related illnesses affecting troops. Once touted as a next-generation battlefield vehicle, Ajax now faces questions over safety, cost overruns, delays, and its relevance for modern warfare, including potential deployment in Ukraine.