AN/TAS-4

The AN/TAS-4 is a thermal imaging night sight developed by Texas Instruments for the U.S. Army.

Applications
It has been used in conjunction with many U.S. weapon systems including:
 * M151 and M220 TOW missile guidance sets (original application)
 * M901 Improved TOW Vehicle (ITV)
 * M981 Fire Support Team Vehicle (FISTV)
 * AN/PAQ-1 Laser Target Designator (LTD)