Its operational chain of command is 29 (Explosive Ordnance Disposal and Search) Group, under 8th Engineer Brigade as part of Allied Rapid Reaction Corps.

In 1956, 28 Engineer Regiment deployed to Christmas Island in support of the original Operation Grapple.

In January 1957, on completion of their tasks in the Pacific Ocean, a letter was received from the War Office announcing the disbandment of the regiment and the subordination of its sub-units.

[2] The regiment reformed on 1 April 2019 as a counter-chemical, biological, radiological and nuclear (C-CBRN) regiment with dismounted RE elements to be based at Rock Barracks in Woodbridge, Suffolk, whilst mounted RTR elements remain in Harman Lines, Warminster, Wiltshire.

The hexagon remains part of the symbology and iconography adorning identifying badges and emblems of CBRN units and organisations of many NATO partners.