Tab - Toggle between heli and ground view

W - Pan camera up
A - Pan camera left
S - Pan camera down
D - Pan camera right
Q - Rotate camera left
E - Rotate camera right

Re-select a unit's portrait - Fast pan/focus camera on it, or tap unit hotkey twice.

Esc - Open prompt to main menu
R - Toggle radar
Space - Toggle pause mode
T - Toggle tactical pane

B - Fire current selected weapon
Left Ctrl - Toggle deploy heli
C - Dock / Undock heli
Left Shift - Toggle weapon menu

BackQuote - Select all units on screen
1 - Select first unit
2 - Select second unit
3 - Select third unit
4 - Select fourth unit
5 - Select fifth unit
F - Force fire at mouse cursor
X - Cancel move/picking/forcefire/selected item/deploy item
V - Set overwatch mode