Army Electronic Warfare Branch Insignia - Officer and Enlisted E-2 Private First Class Sonar Technicians are responsible for

Sonar Technicians are responsible for the the Navy's underwater surveillance

Criteria: Enlisted: Wear the basic badge after completing technical school

while participating in a military operation against armed enemy forces

This criteria was expanded on March 28

Army Electronic Warfare Branch Insignia - Officer and Enlisted E-2 Private First Class Sonar Technicians are responsible forUnited States Army U. S. Army Electronic Warfare Criteria: U. S. Army Branch Insignia Badges represent a service member's specific field of service. Each soldier both enlisted and officer wear their branch insignia badge on their Class A or Army dress blue uniforms denoting their particular skill set. Army branch insignia badges differ from Army qualification badges. Qualification badges require completion of a training course or school, while branch