This is a LEGO army. The Squads are as follows:

PICT0003 is a RRF (Rapid Reaction Force). They are used for heavy fighting, and are good leaders.
Weapons:
MachineGun, a quick shooter for tight situations.
PICT0004 is a Shadow Marshall. He is small, silent and quick.
Weapons:
Tri-katana, 3 deadly sharp swords for throwing and slashing.
Silent gun (not shown), a silent pistol used for assasination.
PICT0005 is a grunt. There are many of these, and they aren't specialised.
Weapons:
Blast rifle, a powerfull weapon for blasting enemies into the sky.
Auto rifle (not shown), used as a main weapon. Quick, cheap and efficient.
Pistol (not shown), powerful but slow.
PICT0006 is a multiple range troop. They use their weapons to shoot enemies near and far.
Weapons:
Shotgun, used to kill enemies at close range.
Crossbow, a long range weapon that fires an arrow.
Sniper rifle (not shown), the ultimate long range weapon.
Knife (not shown), close range warfare!
PICT0007 is an elite. They can use any weapon with immense skill, and are extremely agile.
Weapons:
All of the above, only when picked up.
Revolver, Six shots, very strong.
Battle pistol, fires grenades a long way.