you can see in the opening of Alien3 the corridor where the egg is located to the cieling. check from the 14 second mark.
https://youtu.be/MhT4JbWscwI?t=14syou have the light in the middle, and the structural beams. concidering the corridor surely is not the size of a warehouse, but probably only a bit bigger than the corridors in the NOSTROMO for example, then seeing the egg is only in a tiny corner in comparison to the size of the beams and the width of the lights in the cieling, as far as i PERSONALLY believe,
is that the egg is really, really TINY.
anyway,
something i also forgot, was that one of the survivors of the SULACO had a chestburster birthing.
check out the 31 second mark.
https://youtu.be/MhT4JbWscwI?t=31sthis must have been hicks, as ripley was in one piece and alive, newt was dead but her body intact, and bishop obviously wouldn't be birthing a chestburster nor would he have red blood.
ripley also got facehugged as we know, and in the intro, we see a gigantic facehugger crawling up to her cryo. it's speculated that the queen takes a much longer time to burst, but that's not the biggest importance here.
both hicks and ripley get facehugged.
we only see a facehugger crawling up ripley's cryo, then the glass cracks, and presumably, the glass cuts the facehugger which causes its acidic blood to damage the area and cause smoke to set off the alarm.
we then see a catscan-like 3D view of a fachugger impregnating a crewmember with a chestburster. we assume it to be ripley, and it can be ripley, but it can just as much be hicks.
undeniable fact however is that one crewmembers fabric [clothes] gets bloodshed and accompanied by the sound of a chestburster trying to pop.
in the end of aliens, you clearly see Hicks wearing the white fabric on his chest, that is the exact same fabric we see get bloodsoaked by a chestburster in the alien3 opening.
then the cryopods move to a escape pod, and crashland to the planet of alien3.
during alien 3, we discover bishop is damaged even further. newt was dead but in one piece, she drowned, but had no alien inside of her.
ripley survived, and hicks was dead.
iirc, a beam hit him? and mutilated his remains. this however covers up that he had been chestbursted.
a fact that cannot be denied. hicks was chestbursted BEFORE he was boarded on the escape pod.
that means an ALIEN is now ABOARD the SULACO.
we dont know what happened to the SULACO, it was never mentioned during Alien Resurection either.
whatever happened to the SULACO is a mistery, but there is one undeniable fact:
there IS an alien aboard.