Let's talk about the new Astra Militarum units announced. They are most unexpected.
Editorial Convert or Die
Imperator Guides: The Wondrous Wyvern
Imperial Knights, Astra Militarum and Adeptus Mechanicus: March 2019
Warhammer 40K: Four Weird Choices GW Made In Codex: Astra Militarium - Bell of Lost Souls
Warhammer 40K: The Astra Militarum Miniatures Spotlight - Bell of Lost Souls
Cadia's Creed: Warhammer 40k and the Imperial Guard: Astra Militarum Chimera Shenanigans
Warhammer 40K: The Astra Militarum Unit Guide, Officers and Men - PRIME - Bell of Lost Souls
IG/Astra Militarum Rumours for April (first post updated 12th April) - Page 8 - Forum - DakkaDakka
Astra Militarum Alert – New Units Sighted and Classic Kits Reimagined - Warhammer Community
Sunday Preview – Your Emperor Needs You, Join the Astra Militarum - Warhammer Community
40k, Convert or Die