Programs offered at 193rd Regional Training Institute: RTI Functional Training Courses RTS HF Radio Pre-Command   TA-ITC CD CLC Officer Candidate School NCOES: BNCOC, ANCOC

The 193^rd was constituted on 4 May 1921 as the 2^nd Battalion, 198^th Artillery (Antiaircraft) Coast Artillery Corps from former elements of the 1^st Delaware Infantry. These elements were formerly Pioneer Infantry units from Newark, Dover, Milford and New Castle. The new Headquarters was organized at Dover and federally recognized on 16 June 1921. Redesignated in 1924 as the 2^nd Battalion, 198^th Coast Artillery (Antiaircraft).

Inducted into Federal service at Dover on 16 September 1940. Departed for overseas service 27 January 1942, serving in Bora Bora, New Hebrides, Guadalcanal, Treasury Islands, New Guinea and the Philippines. Inactivated 15 February 1946 on Hokkaido, Japan. Reorganized and Federally recognized 17 October 1946 with Headquarters and Headquarters Battery at Dover, Battery A in Laurel, Battery B at Georgetown, Battery C at Milford, and Battery in Seaford. Reorganized and Redesignated 24 October 1949 as the 193^rd Antiaircraft Artillery Gun Battalion. Reorganized and Redesignated 20 July 1951 as the 193^rd Antiaircraft Artillery Automatic Weapons Battalion with Headquarters and Headquarters Battery, Battery A and a Medical Detachment at Dover, Battery B at Middletown, Battery C at Milford and Battery and Battery D at New Castle.

Consolidated 1 April 1959 with the 198^th Artillery, a parent regiment under the Combat Arms Regimental System.

Reconstituted 1 December 1996 as Headquarters, 193^rd Regiment, Regional Training Institute (RTI), replacing the Delaware Military Academy. Awarded Federal recognition effective 13 April 1997.