Invite distinguished officers is a technology in American Conquest that increases the creation speed of Fusiliers by 100%. This technology is researched at the Town center. All European factions have access to this technology.
In the unit information menu for British and US-Fusiliers, under the possible upgrades tab, Invite distinguished officers is displayed two times. The unresearchable second upgrade has a slightly higher cost of (3200 Gold and 11500 Iron).