Ranks and Structure of the 48thAD

I'm sure that there are a number of people within the [48th] that don't fully understand the ranking and unit structure system of the United States Army, so I figured I list it here for future reference.

Here's a table on the ranks of the US Army.

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PAY GRADE	RANK	DESCRIPTION
E-1	Private (PVT)	A trainee who has started Basic Combat Training. Carries out orders to the best of their ability.
E-2	Private (PV2)	A trainee who has graduated Basic Combat Training. Carries out orders to the best of their ability.
E-3	Private First Class (PFC)	PV2s are promoted to this with a superior's recommendation. Carries out orders to the best of their ability.
E-4	Specialist (SPC)	has attended a specific training class to earn this promotion. Can manage lower enlisted Soldiers.
E-4	Corporal (CPL)	The base of the Non-Commissioned Officer (NCO) ranks, CPLs serve as Team Leader of the smallest Army units. Responsible for individual training of Soldiers.
E-5	Sergeant (SGT)	Typically commands a Squad. Oversees Soldiers in their tasks. SGTs set an example and the standard for Privates.
E-6	Staff Sergeant (SSG)	Also commands a Squad. Often has one or more SGTs under their leadership. Responsible for developing, maintaining, and utilizing the full range of his Soldiers' potential.
E-7	Sergeant First Class (SFC)	Key assistant and advisor to the Platoon Leader. Makes quick, accurate decisions in the best interests of the Soldiers.
E-8	Master Sergeant (MSG)	Principal NCO at the Battalion level, and often higher. Expected to dispatch leadership and other duties with the same professionalism.
E-8	First Sergeant (1SG)	Principal NCO and life-blood of the Company: the provider, disciplinarian, and wise counselor. Instructs other SGTs, advises the Commander, and helps train all enlisted soldiers. Assists Officers at the Company level.
E-9	Sergeant Major (SGM)	Chief administrative assistant for a Headquarters Unit. Key enlisted members of staff elements at levels at Battalion or higher.
E-9	Command Sergeant Major (CSM)	Senior enlisted advisors to the Commanding Officer. Carries out policies and standards, and advice the commander on the performance, training, appearance, and conduct of enlisted soldiers. The CSM's counsel is expected to be calm, settled and unequivocally accurate, but with an energy and enthusiasm that never wanes, even in the worst of times. Assignable at any level Battalion or higher.
Senior Enlisted Advisor	Sergeant Major of the Army (SMA)	There's only one Sergeant Major of the Army. This rank is the epitome of what it means to be a Sergeant and oversees all Non-Commissioned Officers. Serves as the senior enlisted advisor and consultant to the Chief of Staff of the Army.
W-1	Warrant Officer (WO1)	An officer appointed by the Secretary of the Army. WO1s are basic level, technically and tactically focused officers who perform the duties of technical leader, trainer, operator, manager, maintainer, sustainer, and advisor. WO1s primarily support levels of operation from Team or Detachment through Battalion, requiring interaction with all soldier cohorts and primary staff.
W-2	Chief Warrant Officer 2 (CW2)	An officer, commissioned by the President of the United States. CW2s are intermediate level technical and tactical experts who perform the primary duties of technical leader, trainer, operator, manager, maintainer, sustainer, and advisor. CW2s primarily support levels of operation from Team or Detachment through Battalion, requiring interaction with all soldier cohorts and primary staff.
W-3	Chief Warrant Officer 3 (CW3)	An officer, commissioned by the President of the United States. CW3s are advanced-level technical and tactical experts who perform the primary duties of technical leader, trainer, operator, manager, maintainer, sustainer, integrator, and advisor. CW3s primarily support levels of operation from Team or Detachment through Brigade, requiring interaction with all soldier cohorts and primary staff.
W-4	Chief Warrant Officer 4 (CW4)	An officer, commissioned by the President of the United States. CW4s are senior-level technical and tactical experts who perform the primary duties of technical leader, manager, maintainer, sustainer, integrator and advisor. They primarily support Battalion, Brigade, Division, Corps, and Echelons above Corps Operations.
W-5	Chief Warrant Officer 5 (CW5)	An officer, commissioned by the President of the United States. CW5s are master-level technical and tactical experts who perform the primary duties of technical leader, manager, integrator, advisor, or any other particular duty prescribed by branch. CW5s primarily support Brigade, Division, Corps, Echelons above Corps, and Major Command operations. CW5s have special WO leadership and representation responsibilities within their respective commands.
O-1	Second Lieutenant (2LT)	Leads Platoon-size elements.
O-2	First Lieutenant (1LT)	A seasoned Lieutenant. Leads more specialized weapons platoons and indirect fire computation centers. As a senior Lieutenant, they are often selected to be the Executive Officer of a Company-sized unit.
O-3	Captain (CPT)	Commands and controls Company-sized units, together with a principal NCO assistant. Instructs skills at service schools and combat training centers and is often a Staff Officer at the Battalion level.
O-4	Major (MAJ)	Serves as primary Staff Officer for Brigade and Task Force command regarding personnel, logistical, and operational missions.
O-5	Lieutenant Colonel (LTC)	Typically commands Battalion-sized units, with a CSM as principal NCO assistant. May also be selected for Brigade and Task Force Executive Officer.
O-6	Colonel (COL)	Typically commands Brigade-sized units, with a CSM as principal NCO assistant. Also found as the Chief of Divisional-Level Staff Agencies.
O-7	Brigadier General (BG)	Serves as Deputy Commander to the Commanding General for Army Divisions. Assists in overseeing the Staff's planning and coordination of a mission.
O-8	Major General (MG)	Typically commands Division-sized units.
O-9	Lieutenant General (LG)	Typically commands Corps-sized units.
O-10	General (GEN)	Commands all operations that fall within their geographical area. The Chief of Staff of the Army is a General.
Special	General of the Army (GOA)	This is only used in time of war where the Commanding Officer must be equal or of higher rank than those commanding armies from other nations. The last officers to hold this rank served during and immediately following World War II.

And here's a table on the unit structure of the US Army.

UNIT	COMMANDING OFFICER (CO)	UNIT NCO	UNIT SIZE
Squad	Sergeant (SGT)	N/A	4 - 10 Soldiers
Platoon	Lieutenant (LT)	Sergeant First Class (SFC)	16 - 44 Soldiers (3 - 4 Squads)
Company	Captain (CPT)	First Sergeant (1SG)	62 - 200 Soldiers (3 - 4 Platoons)
Battalion	Lieutenant Colonel (LTC)	Command Sergeant Major (CSM)	300 - 1000 Soldiers (3 - 5 Companies)
Brigade	Colonel (COL)	Command Sergeant Major (CSM)	3000 - 5000 Soldiers (3+ Battalions)
Division	Major General (MG)	N/A	10000 - 18000 (3 Brigades)
Corps	Lieutenant General (LTG)	N/A	(2-5 Divisions)
Field Army	General (GEN)	N/A	(2-5 Corps)