Pluto conjunct descendant solar returnThe M816 81mm Infrared Illumination Cartridge with Mechanical Time - Super Quick (MTSQ) Fuze is designed for use with the M252 81mm Light Battalion Mortar System, currently fielded to all Light Infantry units in the Army. The round is used to illuminate targets during night operations.Zulubet predictions for today forebetMerely said, the technical manual 81mm mortar cannon is universally compatible with any devices to read. 81-mm MORTAR, M29A1 Each member of the infantry mortar squad has principle duties and responsibilities. (See FM 7-90 for a discussion of the duties of the platoon headquarters.)