LAAD Defence & Security – Defence and Security International Exhibition – LAAD Defence & Security – Defence and Security International Exhibition – brings together Brazilian and international companies specialized in supplying equipment, services and technology to the Armed Forces, Police and Special Forces, Security Services, consultants and government agencies. LAAD Defence & Security will take to the audience present at Riocentro, in April 14-17, 2015, discussion forums and presentation of art’s state in defence and security.