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Network Operations Warrant Officer - Warrant Officer Basic Course (WOBC) 255N

Course Information:

  • Course Title: Network Management Technician, Warrant Officer Basic Course (WOBC)
  • Course Number: 4C-255N
  • Unit: C-CO 442nd Signal BN
  • College: Signal Leader Development College (SLDC)
  • OPR: Warrant Officer Division (WOD)
  • Status Change Date: 01 October 2021
  • Training site: USACCoE&FG, Fort Gordon, GA
  • Length: 21 Weeks (Unphased) (798 academic Hours)
  • Length: Phased (Phase 1 - 288 hours, Phase 2 - 232 hours, Phase 3 - 278 hours)
  • Managed: Army Training Requirements and Resources System (ATRRS)
  • Prerequisites: WOCS Graduate and DOD 8570.01-M IAT II & IAM I Certification or Sec +
  • Physical demands Category: Moderate (GOLD)


4C-255N, Network Operations Warrant Officer WOBC is the second level of the Warrant Officer Education System (WOES, and a skill level 1 course. This course is designed to prepare qualified Warrant Officers in the rank of WO1 to CW3 in the Warrant Officer Designation of 255N, for the technically demanding assignments that require expertise in the engineering, installation, operation, and maintenance (EIOM) of robust voice and data networks as well as the troubleshooting of various long haul transmission systems providing reach back for their units and its customers.

Course Scope:

This course provides instruction and practical exercises in the basic fundamental requirements to perform the duties of an entry level 255N Network Operations Warrant Officer. This training includes Introduction to Networks; Switch, Route & Wireless Essentials; Enterprise Networking, Security & Automation; Intermediate Routing & Switching; Advanced Technologies Case Study; Common Core; Virtualization; Network Security (Palo Alto Firewall); Collaboration VOIP; Mission Command Systems; Transmission; Lower Tactical Internet (TI); Communication Exercise (COMMEX); Network Management Operations; WIN-T and CAPSTONE Exercise. This course also provides training on DCG-IMT Common Core tasks. An enhanced CAPSTONE training event simulating real world operations is conducted at academic course completion to evaluate student's ability to perform MOS skill level critical tasks in a field training environment.

Course Structure:

  • This course is structured in phases, modules and lessons aligned with Terminal Learning Objectives (TLO) in support of 255N Critical Task List (TCL).
  • The course structure graphic shows that both the unphased, 4C-255N (CP), and phased (Phase1, Phase 2, and Phase 3), 4C-255N, Warrant Officer Basic Course consist of multiple modules aligned with TLO's.
  • The course is Commercial Off the Shelf (COTS) intensive and reflects the most current, information technology, communications equipment, software, hardware, and best practices of data networking, security, and information assurance management procedures currently employed within LANDWARNET (the Army's portion of the Department of Defense Information Network, DODIN) and Units.

A listing of modules by phase:


A: Introduction to Networks (64 hrs)
B: Switching, Routing, & Wireless Essentials (72 hrs)
C: Enhanced Network Security and Automation (72 hrs)
D: Intermediate Routing & Switching (48 hrs)
E: Advanced Technologies Case Study (32 hrs)
F: Common Core/History (24 hrs)
G: Virtualization (32 hrs)
H: Network Security; Palo Alto Firewall (80 hrs)
I: Collaboration VoIP/QOS (72 hrs)
J: Mission Command Systems MCS (24 hrs)
K: Transmission / Spectrum / OTM Planning (48 hrs)
L: Lower Tactical Internet TI (16 hrs)
M: Communications Planning Exercise COMMEX (24 hrs)
N: Network Management Operations NETMAN (64 hrs)
O: Warfighter Information Network - Tactical WIN-T (80 hrs)CompTIA
P: CAPSTONE Exercise (46 hrs)