In the U.S. Army, individual squads are combined to form platoons of 16 to 44 soldiers, each of which consists of a lieutenant and an NCO (non-commissioned officer), who are first and second in command, respectively.

each of which consists of a lieutenant and an NCO (non-commissioned officer)

each platoon consisting of a lieutenant and an NCO (non-commissioned officer)

with each of them consisting of a lieutenant and an NCO (non-commissioned officer)

and each platoon consisting of a lieutenant and an NCO (non-commissioned officer)

each consists of a lieutenant and an NCO (non-commissioned officer)