[1] The authority is headed by Jonathan Rees[2] KC, a civil servant, as Director Service Prosecutions.
The Deputy Director Service Prosecutions (DDSP) was formerly a Brigadier position and is now held by a Civil Servant.
The SPA liaises with the Military Court Service, the office of the Judge Advocate General, the Attorney-General, other prosecuting authorities (including the Crown Prosecution Service), civilian solicitors, and the military and civilian police.
It is staffed by officers from all three of the UK Armed Forces and is supported by a number of civil servants who work for the Ministry of Defence.
[3] As part of the Armed Forces Act 2006, the separate prosecution authorities of HM Armed Forces were merged to form the tri-service Service Prosecuting Authority.