Here's a couple toys that could be used as drop ships or objectives in a sci fi game.
I have to say I loved the design of the Quin Jet in the Avengers and have wanted to pick up a toy of it since the movie but due some oddaity it was never released in Australia. You can buy the much bigger Helicarrier and you can get the Quin Jet in LEGO but none of the toys. This was the 1st version released which I picked up on ebay from the UK for about $44 including postage. There's a later version with slightly different colours and red canopy and another smaller one that is a remote controll vehicle that drives around or something. I went with this one since I'd seen several gamers mod it a bit and repaint it as a drop ship. I liked the idea so grabbed my own.
with some minis for scale
and ramp lowered.
To mod it properly you'd either want to paint over the canopy or mod the interior to have a couple pilots in place of the one big seat. The canopy isn't very transparent though so it may be easier to just change the frames on the outside so it seems smaller and give some coats of Tamiya smoke over it to be super dark.
For the back transort area I think you need to unscrew the body and do some interior work removing the seat that is in there and maybe putting a couple rows of benches on the sides.
Some missiles or something under the wings wouldn't hurt either. In anycase it's a very nice chunky looking yet sleak flyer.
This bird on the other hand is a clunky looking giant helicopter. I saw someone post about this being on sale at Big W for $38 and it's possibility as a vehicle for Infinity, problem is we both assumed the figures it was scaled to were LEGO sized (which is pretty much the same size as a space marine) but the figures are actually nearly double that size. So in scale this thing would be a beast of a heavy lift carrier. Though I could totally see this thing dropping off an entire squad of TAGs (the big Landmate style things)
Note you'll be putting this baby together for a few hours.
She is big.
Looking at it, it is kinda huge compared to say a BlackHawk but compared to a Sikorsky (which I think it's based on) it's a pretty good match. Problem is more that 40K and most other SciFi games seriously undersize it's aircraft.