The Gripen is designed for performance, flexibility, effectiveness and survivability in air combat. The designation JAS stands for Jakt (Air-to-Air), Attack (Air-to-Surface), and Spaning (Reconnaissance), indicating that the Gripen is a multirole aircraft that can fulfill each mission type. Flying properties and performance are optimised for fighter missions with high demands on speed, acceleration and turning performance. The combination of delta wing and canards gives the JAS 39 Gripen good take-off and landing performance and flying characteristics. The totally integrated avionics make it a "programmable" aircraft. The Gripen also has a built in electronic warfare unit making it possible to load more ordnance onto the aircraft without losing self defence capabilities.