Hap and Sequel

noun

• An accidental happening.
  • usage: "he recorded all the little haps and mishaps of his life"

verb

• Come to pass.
  • usage: "What is happening"; "The meeting took place off without an incidence"; "Nothing occurred that seemed important"
  • synonyms: happen, go on, pass off, occur, pass, fall out, come about, take place

• (v.t.) To clothe; to wrap.
• (v.i.) To happen; to befall; to chance.
• (n.) That which happens or comes suddenly or unexpectedly; also, the manner of occurrence or taking place; chance; fortune; accident; casual event; fate; luck; lot.
• (n.) A cloak or plaid.

(Military) HAP stands for humanitarian assistance program

noun

• Something that follows something else.
  • synonyms: subsequence
• A part added to a book or play that continues and extends it.
  • synonyms: continuation

• (n.) That which follows; a succeeding part; continuation; as, the sequel of a man's advantures or history.
• (n.) Consequence; event; effect; result; as, let the sun cease, fail or swerve, and the sequel would be ruin.
• (n.) Conclusion; inference.

(DoD) In a campaign, a major operation that follows the current major operation. In a single major operation, a sequel is the next phase. Plans for a sequel are based on the possible outcomes (success, stalemate, or defeat) associated with the current operation. See also branch.