I think that joke was a little too subtle....
For everyone replying to Kit, let's give it another try...
Construction steps for making infantry:
1) Find two consenting adults
2) Turn the lights down low...
As a prodigal son returned recently to Battletech and one-time Aerotech player, I was flipping through Total Warfare and found the aerospace rules discordant. There's the section on Falling, then a short story, then aerospace rules. Worse, check this out:
The most exciting way to use aerospace units in the game is to fly them directly onto the ground maps playing area...
... to use aerospace units directly on ground maps requires a very large playing area; ideally an arrangement of nine, twelve, sixteen or more mapsheets.
* blink blink *
Alright, then.
As a fan of large scale (and thus, pretty much failed) space battle games (RL: Leviathan being a favourite that comes to mind to this day, SFB, Battlefleet Gothic, etc.), I say, leave it out of Battletech. There are other games for that. The Battletech fiction gains strength and uniqueness from the idea of fragile jumpships delivering cocoon type dropships full of ground units.