"Given the growth in demand and importance of night vision in the law enforcement community, the Space and Naval Warfare Systems Center (SPAWARSYSCEN), Charleston assessed Image-Intensified (I2) Night Vision Devices (NVDs) with the assistance of the Texas A&M University Engineering Program Office. This assessment and validation project used the input and assistance of various emergency responders, law enforcement, and security organizations to examine hand-held products in a maritime port environment. The result of this assessment, intended for the emergency responder community, is equally applicable to other agencies and is built on extensive law enforcement experience and background on current hand-held I2 technologies, capabilities, and limitations. […] The Ports at Night, Seeing With Hand-Held Intensifiers Report presents findings from an assessment of four Gen-3 I2 hand-held intensifiers. The intensifiers were evaluated in field assessments in order to provide information to assist emergency responders interested in purchasing these devices. The overall assessment revealed the differences in hand-held intensifiers by comparing them using a set of functional and operational criteria."