Territorial Force Efficiency Medal

The Territorial Force Efficiency Medal was a medal of the United Kingdom awarded for long service in the Territorial Force. This award superseded the Volunteer Long Service And Good Conduct Medal when the Territorial Force was formed in 1908 following the enactment of the Territorial and Reserve Forces Act 1907, (7 Edw.7, c.9) which was a huge re-organisation of the old Volunteer Army and the remaining units of militia and Yeomanry. The TF was formed on 1 April 1908. The Militia were transferred to the Special Reserve rather than becoming part of the Territorial Force.

Criteria
The criteria were for a minimum of 12 years service in the Territorial Force with war service counting double. Bars were awarded for further periods of 12 years. This medal was superseded by the Territorial Efficiency Medal when the Territorial Force was elevated to become the Territorial Army.

Honourable Artillery Company
For members of the Honourable Artillery Company the ribbon differed, being a half blue, half scarlet ribbon, with yellow edges. This distinction was bestowed by King Edward VII for the Volunteer Long Service And Good Conduct Medal and the honour extended to the same medals under the Territorial designations. The HAC ribbon colours were the household colours of King Edward VII.

Other details
Note that this medal is separate from the Territorial Force Imperial Service Badge.

The equivalent award for commissioned officers was the Territorial Decoration.