Consulting services in the field of acoustics; Consulting services in the field of sonar system design and engineering; Consulting services in the fields of ocean acoustics, acoustic signature recognition, acoustic signature reduction, and sonar; Consulting services in the field of transmission loss measurements; Consulting services in the field of hydro-dynamics and aerodynamics; Consulting services in the field of structural acoustics; Consulting services in the field of noise and vibration modeling and control; Sonar detection services; Acoustic detection services; Vibration detection and monitoring services; Sonar and acoustic detection services for the monitoring of marine mammals; Sonar and acoustic monitoring services for construction noise; Marine survey; Underwater surveying; Weapons research; Ocean environmental monitoring services; Underwater weapons research; Research, design, engineering, and development services in the field of sonar, hydrophones, and underwater acoustic detector platforms and hydrodynamics and aerodynamics; Research, design, engineering, and development services in the field of autonomous water vehicle platforms, drones, or unmanned surface vehicles; Research, design, engineering, and development services in the field of wind tunnels and water tunnels; Research, design, engineering, and development services for diesel engines, generators wind turbines, and underwater turbines; Research, design, engineering, and development services in the field of hydro-dynamics and aerodynamics; Research, design, engineering, and development services in the field of structural acoustics; Research, design, engineering, and development services in the field of noise and vibration modeling and control; Inspection, testing, and remote visual inspection and surveillance of materials, surfaces, machines and structures using unmanned surface vehicles (USVs) and autonomous underwater vehicles (AUVs); Research and development in the field of turbulent flow; Transmission loss measurement services