Entertainment, namely, live performances by a musical band

[ Optical and electro-optical apparatus and instruments for testing electro-optical systems used in the aerospace, defense, space and industrial fields, namely, thermic imagers, handheld binoculars, Unmanned Aerial Vehicle's electro-optical payloads, sights, periscope masts, targeting pods, range finders, missile seekers, missile launch detection sensor; electronic measuring instruments and apparatus in the nature of digital and analog signal acquisition units, signal generators, digital bus ...