dining-in
formal military ceremony for members of a company or other unit, which includes a dinner, drinking, and other events to foster camaraderie and esprit de corps
en-US/ˈdaɪnɪŋ - ˈɪn/
en-GB/ˈdaɪnɪŋ - ˈɪn/
formal military ceremony for members of a company or other unit, which includes a dinner, drinking, and other events to foster camaraderie and esprit de corps