Are Mortars still used anywhere in today's conventional militaries and if so, are they very effective, or just to scare enemy combatants? - Quora
![It would appear to be a trajectory and ranging calculation tool for an M252 81mm mortar. I understand some of what's going on here but I'd like to know more. : r/whatisthisthing It would appear to be a trajectory and ranging calculation tool for an M252 81mm mortar. I understand some of what's going on here but I'd like to know more. : r/whatisthisthing](https://external-preview.redd.it/sO0vUu7cOJpr7m2-mndIKC5x-wSSCgvMJEXSFZgNfBM.jpg?width=640&crop=smart&auto=webp&s=f77568212dbf1669ba6d049d8f4f078134a0d691)
It would appear to be a trajectory and ranging calculation tool for an M252 81mm mortar. I understand some of what's going on here but I'd like to know more. : r/whatisthisthing
![PDF) Determination of the Trajectory Elements for the Reusable Training-Practice Mortar Round Intended for Short Distance Firing PDF) Determination of the Trajectory Elements for the Reusable Training-Practice Mortar Round Intended for Short Distance Firing](https://www.researchgate.net/publication/343552874/figure/tbl2/AS:922965990457345@1597063648279/The-results-from-the-calculations-of-the-basic-parameters-of-the-flight-trajectory-for_Q320.jpg)
PDF) Determination of the Trajectory Elements for the Reusable Training-Practice Mortar Round Intended for Short Distance Firing
![Original U.S. Global War on Terror M769 Full Range Practice 60mm Morta – International Military Antiques Original U.S. Global War on Terror M769 Full Range Practice 60mm Morta – International Military Antiques](https://cdn.shopify.com/s/files/1/1524/1342/products/ONJR22HOC15__03.jpg?v=1659141442)
Original U.S. Global War on Terror M769 Full Range Practice 60mm Morta – International Military Antiques
![Aerodynamics Analysis and Range Enhancement Study of 81mm Mortar Shell (French Design) | Journal of Advanced Research in Fluid Mechanics and Thermal Sciences Aerodynamics Analysis and Range Enhancement Study of 81mm Mortar Shell (French Design) | Journal of Advanced Research in Fluid Mechanics and Thermal Sciences](https://akademiabaru.com/submit/public/journals/1/submission_3984_3841_coverImage_en_US.jpg)