In the rule Armoury, change “Each Shell has a name, a brief description (which is flavourtext), a default Power value, a default Attack and a default Defence” to

Each Shell has a name, a brief description (which is flavourtext), a default Power value, a default Attack, a default Defence and a default Speed

In the rule The Battlefield, change “UTC time of the Pilot’s choice between 18 and 72 hours after the time at which the comment is made” to

UTC time of the Pilot’s choice between x and 72 hours (where x is the Pilot’s Shell’s Speed) after the time at which the comment is made

Set the Speed of the Mark I to 18.

Add a new Shell to the list in the Armoury:

* The Mark II
** Description: A field-upgrade to the Mark I, with enhanced speed drawing from defensive and power systems
** Default Power: 80, Attack: 15, Defence: 10, Speed: 12

Add the following to the list of ways that a Pilot can gain Experience in the rule Development:

A Pilot gains 2 Experience if they successfully disrupt a Bogey’s Timed Action.