Schematic diagram of the Integrated Science Instrument Module
![](https://cdn.sci.esa.int/documents/34594/35357/1567217288750-isim2_fromnasa_410.jpg)
Date: 13 October 2009
Satellite: JWST
Depicts: Integrated Science Instrument Module
Copyright: NASA
The Integrated Science Instrument Module, or ISIM, is a key element of the JWST telescope and includes the ISIM structure, the four science instruments (NIRCam, NIRSpec, MIRI, and FGS/TFI), the associated electronics, harnesses and other components. The figure above shows the positions of the instruments in the ISIM.
Last Update: 1 September 2019