Should We Worry About The Trident 'Failure'? No

HMS VANGUARD has ‘failed’ to successfully launch a Trident missile as part of her return to service trials in the USA. This marks the second test in a row that has not been successful for the Royal Navy. Is this a cause for alarm and should we worry? In a word, no. Crown Copyright What do we know has happened? The Royal Navy and US Navy share a pool of Trident missiles, which the UK can draw on 58 to load its SSBN force and conduct tests. As part of the shared agreement on Trident operations, the missile compartment on the VANGUARD class is essentially a scaled down US Navy missile compartment and the launch process follows US procedures. The policy in place is that when a UK or US SSBN completes refuelling, which is a multi-year process of refitting a vessel, the final stage before the submarine takes its place in the deterrent patrol cycle is a test firing of a missile to ensure it works as planned. This is known as a DASO (Demonstration and Shakedown Operation) to con...