Contact Ioannis Vagias

Areas of expertise

  • Aeronautical Systems
  • Aircraft Design
  • Airworthiness
  • Computing, Simulation & Modelling
  • Defence Sensors
  • Explosives and Munitions
  • Instrumentation, Sensors and Measurement Science
  • Weapons Engineering


Starting his career in the Hellenic Air Force (HAF) of Greece, Ioannis managed technical teams for CRC Parnis, Athens GR and led the transformation of the Station from a Main Radar Site into a Regional Command, Control and Communications Station.

After promotion to Pilot Officer and a transfer to Larissa Aerodrome, Ioannis was posted to 346 Squadron as Avionics Engineering Officer. During this time he completed an MSc in Avionics Engineering and Logistics Management.

He later commanded 346 Squadron, B flight, which dealt with O-level aircraft maintenance. At the end of his frontline service in 2007, Ioannis was sponsored for a second MSc in Guided Weapon Systems at Cranfield University.

On promotion to Flight Lieutenant he was appointed as Manager, Weapons Systems Office, HAF Electronics Depot (Glyfada, Attica Greece) with responsibility for development, validation and evaluation of HAF weapon systems.

After a 3 year tour, he was offered a job as Staff Officer, HAF General Staff, A1 Branch, Section 4, responsible for electronic warfare doctrine, operations and capability. He was also made National Representative for Greece on three NATO electronic warfare working groups:

  • Signals Intelligence Electronic Warfare
  • Electromagnetic Spectrum Denial
  • Airborne Platform Survivability

In 2010, Ioannis was awarded the Military Merit Medal, 3rd Class, elected member of the Royal Aeronautical Society and qualified as a Chartered Engineer. In 2011 he was knighted into the Order of the Phoenix, receiving the Golden Cross. In 2013, he took up a lecturer in Radar Electronic Warfare post at Cranfield University.

Current activities

Ioannis is a Lecturer in Radar Electronic Warfare and manages the Radar Electronic Warfare, Aircraft Survivability, CAD and CFD for Military Aeronautics, and Aerial Warfare Engineering modules. He has interests in the following areas:

  • Electronic Surveillance, Attack and Defence
  • Signals Intelligence (SIGINT)
  • Electric Intelligence (ELINT)
  • Expendable and Towed Active Radar Decoys
  • Radar Cross Section (RCS) Prediction and Measurement
  • RF missile seekers
  • Radar arrays
  • Attack Avionics, CNI and Fire Control
  • Missile Flight Dynamics and Mechanics
  • Defence Intelligence and Reversed Engineering
  • Cooperative EW Systems
  • Material Dielectric Properties Measurement
  • Tridimensional Radar Arrays
  • Defence Intelligence


  • Ministry of Defence, UK
  • Royal Navy
  • British Army
  • Royal Air Force
  • Royal Norwegian Navy
  • Royal Saudi Air Force
  • Singapore Air Force
  • Italian Air Force
  • Leonardo MW
  • BAE Systems
  • Chemring Countermeasures
  • QinetiQ
  • Tata Power SED
  • Marshall Aerospace and Defence Group
  • City, University of London
  • IQPC
  • Lumoptica
  • Korea Aerospace Industries
  • Meggitt Airframe Systems


Articles In Journals

  • Vagias I (2016) A game of hide and seek, Defence Procurement International (Winter 2015/16) 61-67.

Conference Papers

  • Vagias I, Fiengo R & McKelvey AM (2021) Electro-magnetic spectrum operations (EMSO) challenges for future test and evaluation systems. In: International Test and Evaluation Symposium, Virtual, 13-17 September 2021.
  • Vagias I, Richardson MA & Saddington AJ Close air support thermo-optical rocket 70 ({CASTOR}-70) preliminary concept development. In: Weapon Systems & Technology Conference, Defence Academy of the UK, 11-15 October 2010.