The St David's Barracks part of the base, home to 1 Regiment RLC, is set to close in 2028.

The site dates back to September 1942, when a depot was constructed near Bicester to provide logistical support for operations in Europe during the Second World War.

[1] A bomb disposal training base, built at a cost of circa £100 million and including a cave complex, a dive pool and roadways was established at St George's Barracks on the site in March 2013.

[2] In September 2014, 23 Pioneer Regiment, which had been based at St David's Barracks on the site since the 1940s, was disbanded.

[3] 1 Regiment RLC moved from Gütersloh in Germany to St David's Barracks at Bicester in 2016.