Finding a free PDF of the Alien: The Roleplaying Game blueprints (like the USCSS Nostromo or the Colonial Marines’ USS Sulaco) can be tricky. While the official "Alien: The Blueprints" book by Graham Langridge is a paid masterpiece, the community has created some incredible resources for fans and GMs alike.
Note: If you find the PDF useful, consider purchasing the physical hardcover copy. It is often printed on high-quality paper that does justice to the intricate line work, which can sometimes appear pixelated in low-resolution scans.
The ultimate military transport. Its long, railgun-like shape is iconic for Aliens fans.