BAE Systems | 942,392 followers on LinkedIn. Official updates from BAE Systems, one of the world's leading global defence, security and aerospace companies | At BAE Systems, we help our customers to stay a step ahead when protecting people and national security, critical infrastructure and vital information. We provide some of the world’s most advanced, technology-led defence, aerospace and security solutions and employ a skilled workforce of 107,000 people in more than 40 countries. From state of the art cyber threat detection to flight control systems that enable pilots to make better decisions, we never stop innovating to ensure that our customers maintain their advantage.