im a new X2 THE THREAT fan im a beginner,so i need help.

first i could come to the 3. mission and even the broken gate!

but iam sticked there,i dunno what 2 do then???????????????
a monster mined up the broken gate area and i cant even aproach the gate.what must do i now?
and tghe biggest problem is that ;
what is the way of playin this game?
Trading founding earning money?
or fighting ???
and if it is the ''likking, does it only contain killin poor pirates:)?
isnt there anybase fight ??
plz i need help in both cases how to earn money or how to be a war pilot??
need help thanx