Treyarch introduced the Dolphin Dive in Call of Duty Black Ops. The dolphin dive basically allowed players to dive into a prone position. Some gamers liked the new feature - however, those who liked to dropshot found that it to be annoying as they could no longer dropshot while sprinting.
FourZeroTwo announced on Twitter that the dolphin dive would not be returning in Modern Warfare 3:
@Mikey4800 There's no dive to prone in #MW3 but I can't talk about MP specifics yet, but there are new modes.
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