M777A2 HOWITZER EXAM QUESTIONS ANSWERED CORRECTLY LATEST UPDATE 2026

M777A2 HOWITZER EXAM QUESTIONS ANSWERED CORRECTLY LATEST UPDATE 2026 OFC - Answers Optical Fire Control What is referred to as the front? - Answers Muzzle End Can you mix rechargeable and non-rechargeable batteries? - Answers No What class of fire extinguishers is used to put out battery fires? - Answers D What is DFCS and what does it provide? - Answers Digital Fire Contro Systeml; gun location, pointing, navigation, digital communications One turn of the elevation ranges for the m777a2? - Answers 10 mils What is the elevation ranges for m77a2 - Answers -43 mils to +1275 mils What are the rates of fire for the m777a2? - Answers 4 rounds/min every 2 mins 2 rounds/min determined by the TWD What is the traversing range of the m777a2? - Answers 400 left 400 right What is the weight of the m777a2? - Answers w 9887 w/o 9277 Section drill must be conducted in ______, except for commands and report. - Answers Silence When looking at the oil index pin, if the pin is not flush, what condition exists? - Answers Low oil The scavenge isolator valve must be ____ when working around the breech. Failure to ______ the valve could result in inadvertent breech motion. - Answers Close Do not open ____ on prime mover when howitzer is attached, damage may occur to the muzzle brake and lunnette assembly. - Answers Tail gate The combined weight of the spade trail arm and blade is ____ and must be supported by a minimum of two personnel. - Answers 204lbs Remain at least ___ feet from transmitting antenna of howitzer mounted radios. - Answers 2 Suspension levers must be operated simultaneously. The howitzer cannot be lowered until the following steps have been completed: - Answers •Handbrakes are applied, •Lunette is unhooked from prime mover, •Cannon is supported by minimum of two personnel, •Stabilizers have been deployed When laying the howitzer with the M2 Aiming Circle, the cross hairs must be +/- ____ mils before the Gunner commands "READY, DROP" - Answers 10 How deep must the spades be dug in when emplacing the howitzer? - Answers 3 inched indirect, 6 inches direct The loading tray can only be operated when the ____. - Answers breech is open Emplaced distances away from weapon will vary due to type of terrain but must be between ____. The M1A2 collimator should not be emplaced more than 4.4yds (4m) above or below the Pantel. - Answers 9-12m What is the minimum amount of mils that must be visible on the M1A2 collimator when being layed on the pantel? - Answers 7 mils When emplacing the aiming posts, what does a clenched fist mean? - Answers Stop When determining RANGE-TO-CREST, distance must be given to the nearest ____ meters. - Answers 100 When checking alignment using the M154, the Azimuth Counter reads 4800 mils +/- _____ mils. - Answers 0.5 When boresighting the M138A1 Elbow Telescope, if the elevation line is not aligned with the DAP, the Assistant Gunner turns the _____. - Answers Adjusting Screw What are the Section Chief pre-fire checks? - Answers Bore is clear, Howitzer has 5 points of contact to the ground, breech and PFM witnes marks are aligned, Oil index pin flush What are the Driver's pre-fire checks? - Answers looks through cannon tube to ensure no foreign matter is present. Ensure obturator pad and disk are installed. Ensure that splits on rings are 180` apart Describe what the gunner sees if the howitzer is experiencing left displacement. - Answers Collimator reticle pattern slopes upwards to the right. If the howitzer is experiencing no displacement when viewing the Aiming Posts, how should they appear? - Answers As One Loading elevation should not exceed ____ mils - Answers 800 What is the purpose of the Swiss Groove? - Answers Hold the charges in the chamber Before firing the howitzer, there should be no ____ between the loading tray and tray stop. - Answers gap The ____ must not be attached until the command STAND BY is announced by _____. - Answers Lanyard, Section Chief Direct viewing of intense muzzle flash may result in temporary ____. - Answers Flash blindness Before firing howitzer, ensure spade dampers are in contact with the body _____. - Answers end stops. When stowing stabilizers into travel position, all personnel _______. Failure to do so may cause crushing injury. - Answers must stand clear What happens to lubricants when the temperature drops too low? - Answers expands or congeals Do not let snow or ice accumulate on ____ equipment. - Answers DFCS Firing WP projectiles which are known to have been stored in the position other than ______ could result in in-bore or close-in premature malfunction. - Answers Basedown Optical instrumental are protected against moisture by ________. - Answers Pressurized nitrogen When operating below 32`F (0`C) system batteries should not be allowed to discharge below _______ SOC - Answers 50% Which "MODE" puts the most power back into the batteries? - Answers Bulk _____ must be treated as delayed firings until determined otherwise. - Answers Misfires A ____is a delay in the functioning of the primer, igniter, or propelling charge. - Answers hangfire _____ result from insufficient chamber pressure. - Answers Sticker When breech is opened to remove the charge and primer, if smoke/sparks are coming from the ____ area, do not attempt to remove the charge or close the breech. - Answers chamber If the _____ has been dented are not fired, the primer is at fault. If the primer has not been dented, the ____ is at fault. - Answers primer, firing mech If a projectile has been unloaded, can it be reloaded and fire? - Answers No, separate and mark unserviceable What must be engaged before carrying misfire procedures? - Answers Breech Crank Locking Pin When the TWD is GREEN or YELLOW, how many minutes must you wait before removing and inspecting the primer? - Answers 2 minutes When unloading an unfired round, what goes into the chamber? - Answers Rags or Chamber Swab Unloading MACS-Lift increment out of Swiss notch by using the _____ as a tool. Slide the separator along the increment then under to lift it up and out of the Swiss notch. - Answers thin black charge separator In the event of Firing Lever or Linkage Failure, where is the 25ft lanyard hooked? - Answers firing mech lever how many lubrication points are on the howitzer? - Answers 22 What is used to lubricate the recoil slides? - Answers CLP When performing monthly lubrications, ensure ______ have been completed before hand. - Answers daily and weekly Breechblock must be resting on breech stool before the ______ is removed. - Answers spindle groove Wear _____ when removing and installing firing pin and retainer. - Answers eye protection If obturator pad is difficult to remove, apply ______ around spindle shaft. - Answers water Do not clean obturator pad with _____, or expose pad to high water pressure. - Answers CLP What sort of support is suggested to go between the wheel arm assembly and the hydrostrut during wheel maintenance? - Answers Wooden support This HE projectile is used primarily for blast, fragmentation and mining. This deep or shallow-cavity projectile consists of a steel case loaded with TNT or composition B. - Answers M107 What is the payload in the M110 series rounds? - Answers Smoke, WP Ensure the presence of 3 shear pins on this series of projectile. - Answers M485A1 and M485A2; illumination What is the nomenclature of the IR Illuminating projectile? - Answers M1066 This high explosive (HE), deep cavity projectile is used as a registration round for the M483A1 family of cargo munitions. - Answers M795 The ____ projectile is used in place of the M107 HE projectile in training exercises. It contains a small smoke canister in the fuze well, which provides flash and smoke for visual determination of functioning. - Answers M804/M804A1