Systems and methods are provided for weapon monitoring and action tagging, including storing a defined weapon action, wherein the defined weapon action is defined based on an inertial measurement from a weapon, the inertial measurement data indicative of at least one of a movement of the weapon, an orientation of the weapon, or a direction of the weapon, receiving sensor information from a weapon, wherein the sensor information includes inertial measurement data, evaluating the sensor information to determine the presence of the defined weapon action, and displaying, in response to determining that the defined weapon action occurred, indicia communicating the occurrence of the defined weapon action to a viewer via a graphical interface.