Schematic Category
Mark I Reactor Upgrade

This category is a subcategory of Mark II Reactor Upgrade

The following schematics belong to either the Mark I Reactor Upgrade category or a descendant of the Mark I Reactor Upgrade category and can thus be used in a slot that requires an item of the Mark I Reactor Upgrade category:

Core Systems I: Basic Systems
- Reactor Limiter - Mark I
- Reactor Overcharger - Mark I