GITS meaning in Community ?

Ghost in the Shell is a Japanese cyberpunk media franchise based on the seinen manga series of the same name written and illustrated by Masamune Shirow. The manga, first serialized in 1989 under the subtitle of The Ghost in the Shell, and later published as its own tankōbon volumes by Kodansha, told the story of the fictional counter-cyberterrorist organization Public Security Section 9, led by protagonist Major Motoko Kusanagi, and is set in mid-21st century Japan.

Animation studio Production I.G has produced several anime adaptations of the series. These include the 1995 film of the same name and its sequel, Ghost in the Shell 2: Innocence; the 2002 television series, Ghost in the Shell: Stand Alone Complex, and its 2020 follow-up, Ghost in the Shell: SAC 2045; and the Ghost in the Shell: Arise original video animation (OVA) series. In addition, an American-produced live-action film was released on March 31, 2017.