Complex sentence: This version is known as evening dress "B," and is equivalent to formal "black tie" civilian attire, and is worn to formal dances, balls, dinners, and events such as the annual USMC Birthday Ball.
Split into simpler sentences: This version is known as evening dress "B," and is equivalent to formal "black tie" civilian attire. It is worn to formal dances, balls, dinners, and events such as the annual USMC Birthday Ball.