- Organized 12 October 1921 in the New York National
Guard as Combat Train
- portion of Headquarters Detachment and Combat Train,
2nd Battalion, 104th
- Field Artillery, an element of the 27th Division, at
New York, NY. In 1929,
- station relocated to Jamaica, NY.
- Inducted into Federal Service 15 October 1940 at New
York, NY. The 27th
- Division reorganized and redesignated 1 August 1942 as
the 27th Infantry
- Division. Reorganized and redesignated 1 September 1942
as Headquarters
- Battery, 104th Field Artillery Battalion, an element of
the 27th Infantry
- Division. Inactivated 31 December 1945 at Fort Lawton,
WA.
- WORLD WAR II CAMPAIGN PARTICIPATION
- Eastern Mandates
- Ryukus
- Western Pacific
- DECORATIONS
- Navy Unit Commendation, Streamer Embroided
"Eniwetok Atoll"
- Converted, reorganized, redesignated and federally
recognized 9 February
- 1948 as 42nd Signal Company at Jamaica, NY;
concurrently relieved from
- assignment to 27th Infantry Division and assigned to
42d Infantry Division.
- Reorganized, redesignated 16 March 1959 as Headquarters
and Headquarters
- Company, 242nd Signal Battalion, New York Army National
Guard, Hempstead,
- NY and with organic elements concurrently organized, Co
A and Co B at
- Hempstead, NY and Co C at Huntington Station, NY.
- Federally mobilized for participation in Operation
Graphic Hand during the
- federal postal workers strike, from 24 to 30 March
1970.
- The Battalion was called into state active service on
19 April 1979 for
- Operation Golden Plum. During the New York State
correction officer's
- strike, the 242nd served for 14 days operating Arthur
Kill Correctional
- Facility at Staten Island, NY and was again mobilized
for Hurricane Gloria
- in October 1985.
- Reorganized 1 September 1990 with HHC stationed at
Hempstead, NY, Co A (-)
- stationed at Hempstead, NY, Det 1 Co A stationed at
Huntington Station, NY
- and Co B and Co C relocated to Delaware under the
command and control of
- the 198th Signal Battalion. Unit members were again
called to state active
- service in December 1992 in support of the Nor'easter
which hit the
- communities on the north shore of Long Island.
- Deactivated 1 September 1993 with members of HHC, Co A
(-), and Det 1 Co A
- reorganized into the 101 st Signal Battalion as Company
C (-) stationed in
- Freeport