Here is an example of a 11-man squad (in this example, Fireteam Green is a sharpshooter team):
-Spotter and Green lead
Please note that certain terms etc. may differ between units. Eg, instead of Red, Blue etc. the fireteams may be designated Alpha, Bravo etc.
Red lead-"Fuckin' A sir, Fireteam, prepare to move up, Riflemen one and three, you move first, two by two, Rifleman two, on me"