Lockheed Martin UK, headquartered in London, is the UK-based arm of Lockheed Martin, a global security and aerospace company that employs approximately 100,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services. Lockheed Martin UK is responsible for a diverse portfolio of programmes, many of which are of national security-critical importance. These include delivering the Trident strategic missile, the F-35 Joint Strike Fighter and being part of the ASCENT team, providers of the Military Flying Training System. Lockheed Martin UK continues to expand its footprint in the UK and is committed to developing UK skills and expertise in areas critical to the MoD and its other customers. The company works with over 100 business partners and employs more than 1700 people at sites across the UK.