633, while deployed to the Middle East Region from January 2016 to February 2017. Major Matthew Peter Cross – For meritorious devotion to duty to the planning and force generation of the Joint Amphibious Force for Defence. Warrant Officer Class One Kaylene Grace Dyke – For meritorious achievement as the District Manager of the 17th Combat Service Support Brigade. Warrant Officer Class Two John Robert Matthews – For meritorious devotion to duty as the Communications Systems Manager at the Defence Force School of Signals. Lieutenant Colonel Matthew John Nash – For meritorious achievement in the delivery of joint operational training as the Commanding Officer and Chief Instructor of the Australian Defence Force Peace Operations Training Centre. Warrant Officer Class Two Christopher David Pleszkun – For meritorious achievement as the Manager Electronic Warfare of the 72nd Electronic Warfare Squadron. Major Paul Frederick Prickett (Retd) – For meritorious devotion to duty as the Executive Officer of the 3rd Battalion, the Royal Australian Regiment, the School of Infantry and the Parachute Training School. Sergeant R – For meritorious achievement as the Facility Security Manager and Technical Operations Planner on Operation OKRA from April 2016 to November 2016. Lieutenant Colonel Leslie James Robinson – For meritorious achievement in support of the United Nations' Mission in South Sudan from 2016 to 2017. Warrant Officer Class Two Nathan Allan Tolman – For meritorious achievement in the performance of duty as the Master Coach of the 1st Recruit Training Battalion, Kapooka. Warrant Officer Class Two W – For meritorious achievement in the development of Special Operations Engineer capabilities. Squadron Leader Simon Martin Bartlett – For meritorious achievement in organisational development in establishing Number 20 Squadron and Royal Australian Air Force Base Woomera. Sergeant Aron Edward Green – For meritorious achievement in the development and implementation of the Technical Facilitation and Administration Cell at Number 3 Control and Reporting Unit. Sergeant Benjamin Thomas Hutchen – For meritorious achievement as an Avionics Technical Instructor at Number 285 Squadron, Royal Australian Air Force. Wing Commander Steven Adrian Madsen – For meritorious devotion to duty in the field of aerospace surveillance and air battlespace management for the Australian Defence Force. Sergeant Dean Paul Muscat – For meritorious achievement in the enhancement of Air Force capability through improved counter-sniper, marksmanship, and military driver training. Group Captain Brendan James Rogers, – For meritorious achievement as the Commander Task Unit 630.1 on Operation OKRA