Several developers have recreated this massive aircraft for FSX, offering both freeware and payware experiences:

FSX C-5M Super Galaxy - USAF largest military transport aircraft YouTube · fsxtopgun

A refreshed version that includes dedicated sounds and a specific cockpit setup requiring autothrottle for stability.

The C-5's massive scale is supported by several unique systems that are often simulated in FSX:

An expansion for the AlphaSim model that allows you to "drive" vehicles like Abrams tanks and Humvees inside the cargo bay. 🛠️ Key Technical "Pieces"