9th Edition 40k really breaks down the sizes of gameplay removing the one size fits all scenario of previous editions (primarily the older editions). Lets take a look at what is going on with games.
via the Warhammer Community
https://www.warhammer-community.com/2020/06/05/four-sizes-fit-allgw-homepage-post-1/
Getting the Scale Right
Arranging to play a game of Warhammer 40,000 is one thing, but settling on what size of battle to fight is another thing entirely. To help you decide, the new edition comes with four recommended sizes of battle – Combat Patrol, Incursion, Strike Force and Onslaught – designed to help add guidance and structure to your game. From army size, composition and the likely duration of the game, to the escalating size of the battlefield perimeters for larger games and even terrain density and positioning.
Mission Statement
To further reinforce the distinction between each size of game, there are also different mission sets designed for each to replicate the kind of military operations that would likely be performed by forces of that size, ranging from covert raids to massed assaults.
In matched play alone, there are 18 Eternal War missions to choose from (or randomly generate). Here’s a sneak preview of a Combat Patrol mission pack and one of the missions in full…
