Advisory and Assistance Services (A&AS) support on highly complex Intelligence, Surveillance, and Reconnaissance (ISR) programs. Our areas of expertise include intelligence ground... processing architectures and associated reconnaissance aircraft and sensors, to include manned, unmanned, and space borne intelligence collection platforms. Sigma, the Greek symbol... a diverse range of expertise and professional services. Our professional discipline covers a broad spectrum across the joint services to include: manned and unmanned reconnaissance...

of employees and revenue, but more importantly, has solidified our position as a trusted provider of Intelligence, Surveillance, and Reconnaissance (ISR) engineering services to our...