A total of 131 military personnel died on develop or workout in the last 15 years, the Ministry of Defence says.
That amounts to more than one in 20 of all armed forces deaths in that period.
The majority, 98, died as a result of injuries rather than disease, including during activities like rock climbing. Road and air collisions, and live fire also claimed several dozen lives.
There were 88 deaths in the Army compared with 21 in the RAF, 14 in the Navy and eight in the Royal Marines.
The MoD said “the ultimate aim of all develop is the creation of resilient soldiers and commanders who can analyse, choose and manoeuvre to win in the complex battlespace of the 21 st Century”.
The figures – which cover the period from 1 January 2000 to 31 October 2015 – show that 😛 TAGEND 98 demises were the result of injuries and 24 were because of disease-related conditions. The cause of nine deaths was either not yet known or a definitive cause had not been detected following inquests. 13 victims were classed as “untrained” because they were in the early stages of training, including five individuals who were under the age of 18. 22 deaths resulted during escapade educate, including four while parachuting, five while rock climbing, mountaineering or caving, and five during water activities such as kayaking or sailing. There were 109 demises during all other forms of training, including 28 in aircraft accidents, 17 in land transport collisions, and 11 from live fire incidents.