Headquartered in Tucson, Arizona, Raytheon Missile Systems also has locations in Alabama, Arkansas, Kentucky, New Mexico, Oklahoma and Texas, as well as oversight of the operations of Raytheon UK and Raytheon Emirates. RMS' broad portfolio of weapon systems supports every mission area of its customers, including air-to-air, land combat, naval weapons, strike weapons, missile defense, guided projectiles, directed energy systems, and combat and sensing systems. The business continually develops and invests in new, innovative technologies to provide rapid, high-quality, affordable mission capability to its customers. RMS is the world's leading producer of weapon systems for the United States military and the allied forces of more than 50 countries. Missile Systems had 2018 sales of $8.3 billion and employs more than 16,000 people.