You are testing your communications before beginning an M240G exercise. Primary radio communications check out. However, your team has no method of secondary communications.Which of the following is a correct form of secondary communication? A Create a series of hand signals that your team can use to signal the OIC, RSO, and range control. B Use the assigned radio backup frequency as secondary communications. C Use an amplified bullhorn to call the OIC, RSO, and range control. D Use personal cellular telephone to communicate with range control. {Ans: D}You are the RSO for your unit's mortar exercise. Training is going well when Cpl Mathews yells, "Misfire!" What action should you take? A Attempt to fire a round yourself to see if you can determine the cause of the problem. B Disassemble the weapon to determine if there is a broken component that could cause a misfire. C Remove the round and check to see if there are visible signs of ammunition defect or damage. D Cease-fire, notify Range Control, and have the OIC supervise misfire procedures. {Ans: D}Which of the following individuals is responsible for supervising the overall conduct of a range exercise, ensuring that participants receive proper