It is the operating division of the Defence Infrastructure Organisation, and is responsible for the management of the 78% of the MoD's estate allocated as Training Areas and Ranges.
It provides sufficient and suitable estate to support the training requirements of the British Armed Forces, whilst ensuring environmental management and appropriate historical and archaeological preservation.
DTE works with nature conservation bodies to safeguard designated sites and protected species within the estate.
[3][4] DTE runs five Air Weapons Ranges for military operational training: RAF Holbeach and RAF Donna Nook in Lincolnshire (England), RAF Pembrey in Carmarthenshire (Wales), the Tain Air Weapons Range in Rossshire and Cape Wrath in Sutherland (Scotland).
[5] DTE operate a principle of presumption of public access to the training estate.