This is a datagroup of Rigellian Protectorate Space Arm (RPSA) Destroyers with the ISW-3 Refit. An original design created by Todd Dillen, the RPSA Destroyer is based on Jack Southerland's Starfire artwork found in the Classic Starfire (Third Edition) products.
Starfire miniatures are "squadron scale" (0.5"-5") miniatures designed for the Starfire Quick Start Rules for Miniatures. You can download the rules for free from Wargame Vault from
https://www.wargamevault.com/product/214246/Quick-Start-Rules-for-Miniatures
Starfire products can be found at
https://www.wargamevault.com/browse/pub/9056/Starfire-Design-Studio and
https://www.starfiredesign.com/starfire