The 
PROTECTOR M151 Remote Weapon Station is a 
remotely-controlled weapons station (RWS) that can be mounted to vehicles and stationary platforms. It is manufactured by 
Kongsberg Defence & Aerospace of 
Kongsberg, 
Norway.
The PROTECTOR is commonly used by the 
US Army Stryker Brigades
The system consists of a stabilized firing platform, a 
fire control system and 
control grips. Several weapons can be mounted to the platform, such as:
M151 versions
- PROTECTOR M151 – deployed with the first Stryker brigades
- M151 E1 (Block 1) – includes improved thermal cameras
- M151 E2 (Block 2) – stabilized version
- Several country specific adaptations
Other variants
- PROTECTOR Lite
- PROTECTOR CROWS II
- Sea PROTECTOR – for naval applications
- PROTECTOR NM221 – includes internal ammunition feed
In addition to the home country 
 Norway
 Norway's 
M113 APC and Tactica vehicles (PROTECTOR NM221), and the 
Iveco LMV (PROTECTOR Lite), the PROTECTOR is widely used internationally.