If the aliens made their way down, you will have to defend
yourself. Only the first 80 items in storage can be used for
your Defense, so this is another reason to sell off those excess
inventory. Besides, you need the cash. Do NOT keep electro-
flares in the warehouse as those are often the first items in the
he 80-item list! Lasers and HWPs are on top so keep them.

3.4.4 Keep some HWPs just in case
[CGR] HWP's only take up storage space, are the first things on
the storage item list (therefore always in those 80 items), and
needs no personnel, which makes them ideal base defenders.

[KSC] Fusion Ball Launcher Hover tanks are absolutely great in
base defense, being able to shoot around corners. So are blaster
launchers, if you have them.

3.4.5 Booby trap the rooms!
Booby trap all rooms that you must abandon, usually by throwing
proximity grenades near the doors. Any alien steps in, BOOM!
You can clear them by dropping a regular grenade on top of them.
See Section 7.X on weapon tactics.


4.0 Air Combat and Intercept Strategies

Air combat is an important part of X-COM. Without it, you will
have very little chance of capturing any aliens or alien
equipment, and thus have no progress in the game!

4.1 Intercept tactics
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