AeroVironment supplies unmanned aircraft systems, tactical missile systems, and other related services to government agencies ( primarily within the United States Department of Defense). The systems can help with security, surveillance, or sensing, and provide "eyes in the sky" without needing an actual person, or driver, in the sky. Additionally, it supplies charging and power-down systems and services for electric vehicles. Commercial, consumer, and government customers help produce sales in the energy space. The company has two operating segments: unmanned aircraft systems and efficient energy systems.