[3] Much of his early career spent was focusing on air defence, including tours in the Falkland Islands and Belize, and loan service with the Indonesian Army.
There he worked within the Counter-Terrorist Explosives Detection and Countermeasures field, and was a desk officer in the Ministry of Defence Joint Service Operational Requirements branch.
[4] As commander of the aforementioned Headquarters, Stacey completed two Southern Watch tours in Iraq and led the establishment of the RAF Detachment at Ali al Salem, Kuwait.
[4] In June 2003 Stacey took up the post of Deputy Senior British Military Representative (Iraq) based within CJTF 7 in Baghdad.
[4] In December 2008 he was promoted to air vice marshal and joined USCENTCOM (Tampa) in February 2009 as Senior British Military Advisor to General David Petraeus and the HQ.