That comes as little surprise - but it's neat to have it confirmed. I'd say that Transformers would've had some influence on the design of the Siege Tank.

The Battle Cruiser was possibly inspired by the animé series "Space Battle Cruiser Yamato" (aka Starblazers), with the game making a fairly obvious tribute by naming that vehicle's primary weapon as the "Yamato Cannon."

The TF nerd in me would _like_ to believe that the Terran Marines' armour was inspired by the Autobot Pretenders' shells, but that'd probably be stretching it. But on numerous occasions I've played with my Autobot Pretenders as assuming the disguise of humans in the future and fighting alongside space marines (using my Starcraft Terran Marine toy) with their fellow marines blissfully unaware that a small cadre of their number are actually giant effing transforming robots - until of course some complication forces them to reveal themselves and freak the crap out of their team mates, eheheheh. Although in other scenarios I play it so that they never actually show themselves coming out and back into their shells in the presence of human marines, maintaining their secret identities. I love playing with my toys.