198 SIGNAL BN FIRST REGIMENT OF FIRST STATE
The distinctive unit insignia was originally approved for the 198th Coast Artillery on 13 Jun 1934. It was redesignated for the 736th Antiaircraft Artillery Gun Battalion on 26 Jan 1951. On 6 Apr 1961, the insignia was redesignated for 198th Artillery. The distinctive unit insignia was redesignated for the 198th Signal Battalion on 19 Oct 1978.