Ammunition Technical Officer An Ammunition Technical Officer ( ATO ) is an officer involved in all aspects of the army ' s use of ammunition . This includes ; bomb disposal , explosives accident investigation , procurement , in service management , storage , and inspection and repair . British Army . ATOs are generally selected as Captains , exclusively from within the Royal Logistic Corps ; however when an Ammunition Technician ( AT ) Warrant Officer ( WO ) or Senior Non - Commissioned Officer ( SNCO ) is selected for commission , their AT qualification transfers to that of an ATO . One such example is Major P Norton GC . Training as an ATO lasts 17 months and requires attendance at the Royal Military College of Science and the Defence EOD Munitions Search School Kineton formerly known as the Army School of Ammunition . At its conclusion the new ATO may take command of an EOD Troop within 11 EOD Regiment , or be employed within an Ammunition Squadron or ammunition depot . In 11 EOD Regiment , in addition to the Troop Commander ' s role , the ATO performs Counter - Terrorist bomb disposal activities and IEDD within the UK and Northern Ireland , leading an EOD team . WO and SNCO ATs may also lead EOD teams , and when doing so are often referred to as the ATO . ATs and ATOs can undergo further EOD training at the Felix Centre within the Defence EOD Munitions Search School Kineton . ATOs are the UK ' s Ammunition experts , with many years of experience in Palestine , Aden , Cyprus , Northern Ireland , the Balkans , Iraq , Afghanistan , and anywhere where the British Army have forces deployed and require EOD expertise and advice . Armed Forces of other nations also have ATOs , some of which are trained by the British Army . These countries include Canada , New Zealand and Singapore . Operational Honours . George Cross George Medal Military Cross Queen ' s Gallantry Medal Queen ' s Gallantry Medal with Bar Australian Army . The Australian Army also employs ATOs , who are members of the Royal Australian Army Ordnance Corps ( RAAOC ) . RAAOC ATOs are trained in Australia , and this training has also been made available to members of other regional ( Asia / South Pacific ) Defence Forces . Pakistan Army . The Pakistan Army has ATOs who are trained at the Pakistan Army Ordnance College . They are selected from the officers of the Pakistan Army Ordnance Corps in almost the same manner as that of the British Army ATOs . They are specialists in the Ammunition field , and have many years of experience within Pakistan and other countries , such as Liberia , Congo , Ivory Coast , Sudan and Darfur , and anywhere the Pakistan Army deploys as part of the UN . Pakistan ATOs have the unique honour of handling IEDs and completing EOD Operations during War On Terror in Swat , North and South Waziristan Agencies and even in the settled areas of the countries . Most of the ATOs have specialized from CIED and EOD Trg programmes covered by British and US EOD institutes to assist the Engineers Corps as a Technical expert to handle all IEDs and supervise their EOD activities . It is imperative to note an mention here , that , every field formation of Pakistan Army has a specified ATO appointment amongst its Staff Appointments to work as Advisor on Ammunition Matters to the Formation Commander directly . . South African Army . The role and function of the South African Ammunition Corps is to ensure that only safe and effective ammunition is supplied to the Department of Defence and other users . Their functions includes participation in research and development , quality assurance , unit inspection , maintenance and disposal of ammunition . Candidates must have a sound psychological profile exhibiting a high degree of intelligence , steadiness and an aptitude or innovative technical thinking . Learners must be in possession of a National Senior Certificate ( Grade 12 ) or Level 4 ( N3 ) certificate and must have passed Mathematics and Physical Science .