Signal Specialist training programs. The purpose of this training is to train Phase II of the Basic Noncommissioned Officer Course (BNCOC) in the technical techniques and procedures required for a Noncommissioned Officer at Skill Level 3. Phase II includes the supervisory training of signal systems installation, integration, troubleshooting and unit level maintenance (ULM) including battlefield manual and automated signal support systems; equipment and emplacement doctrine which supports Information Technology.