Tips

ARMA
When you lob a grenade, change your weapon immediately, cause it takes a few seconds to bring your rifle back.
Essential Guides
1 Mission planning and execution
2 Command
3 Infantry Movement
4 Navigation
5 Rifles
6 Handguns
7 Anti Tank
8 Sniping
9 Demolitions
10 Armour - Driving
11 Armour - Gunnery
12 Flight - Support
13 Flight - Transport
14 Vehicle - Driving
15 Vehicle - Gunnery