2. Your boss has no friends of his/her own, and decides that all of his/her subordinates should show up to one of his/her lame functions.
3. The Colonel or Sergeant Major have no friends and everyone hates them. Therefore, their subordinates are required to put on their 'Class A' or 'Dress Blue' uniforms and listen to some old guys make drunken, teary-eyed toasts to their first pair of jump boots.
Private: "Is this one of those MANDITORY FUN DAY's, Sergeant?