MCAWS Marine Corps Cannoneer Course (MCCC) Practice Test

These questions are part of the practice quiz. Start practicing

• Which sub-component of the DFCS provides an interface between all other DFCS components?
• What information does the FDC typically rely on from the observer to compute firing data?
• ETWD determines the sustained rate of fire as 2 rounds per minute.
• The M777A2 howitzer weighs ________ pounds without basic issue items, with HyPAK.
• Which marks must be aligned to verify priming readiness on Cannoneer #2?
• What is the primary effect of High Explosive rounds?
• Which sub-component of the DFCS allows you to toggle between Off, Aux, Comm, and DFCS?
• The statement Cannoneer #1 leaves the Lanyard attached to the firing lever after the first round to facilitate quicker firing is true or false?
• The fire command __________ is always given, but never recorded.
• Who can deliver corrections for artillery fire, and how are corrections communicated?
• What type of ammunition is used with the M777A2 howitzer?
• What elements of a fire command can be standardized to expedite the delivery of fires?
• Once activated, the M762 and M767 series fuzes have a _____ day service life before the battery runs down and the LCD goes blank.
• Which component does the A-Gunner apply the announced Quadrant to after receiving a fire mission?
• What is the difference between time fuze and impact fuze?
• The Digital Fire Control System (DFCS) is comprised of how many sub-components?
• If the far aiming post is placed at 100 meters, the near post would be placed ______ meters from the pantel.
• Which element denotes the amount of propellant to be used and can never be standardized?
• Which element is used when actions other than normal are required in a fire command?
• What is a 'charge' in artillery, and how is it selected?
• What determines Fire Mission Priority?
• The M732A2 PD range can include which configuration?
• How does wind influence artillery trajectories and how is it corrected?
• What is a Preliminary Fire Plan?
• Cannoneer #2 attaches the firing lanyard to the firing lever on the Section Chief's command of, 'STAND BY'.
• Which statement best contrasts grid and polar target location methods?
• Which data element directly controls the horizontal aiming angle of the gun?
• The Top Cradle Electronic Assembly is located on top of the howitzer and consists of the CLA-MCR, CLE, RTA, GPS Antenna, and IPIK.
• Who verifies the Shell/Fuze combination, Charge, Deflection, and Quadrant with the Section Chief?
• Which step immediately precedes the Gunner's announcement of Deflection (whatever), Ready?
• Before priming, alignment of the Primer Feed Mechanism witness marks must be verified.
• The M732A2 can be set to PD or:
• What primarily determines muzzle velocity in artillery?
• The maximum range of the howitzer when utilizing a rocket assisted projectile is 24,000 meters.
• When does Cannoneer #2 swab the powder chamber, gas check seat, and spindle?
• What is a spotting round and when is it used?
• During Boresight Verification, the A-Gunner installs the M154 on the dove tail mount.
• Ammunition expended during a fire mission will be annotated in the Fire Mission Data Section.
• What does IPCCM stand for?
• Who announces the 'READY DROP' during the procedure?
• How often must the DA Form 4513 be completed and turned in?
• Which part is explicitly identified as the Primer Feed Mechanism Lever in the system?
• Which of the following is NOT a DFCS mode?
• Which item is NOT one of the four elements of a complete round?
• Which form is used to verify the Quadrant data during the process?
• What is the primary purpose of a time delay fuze in a HE round?
• Which crew member is assigned the task of receiving the M1A2 collimator and pantel after the prime mover operation ends?
• What mechanism does Cannoneer #1 use to lower the loading tray when Cannoneer #4 says 'READY DROP'?
• Why must range safety be enforced at all times during artillery operations?
• In artillery, what does it mean to lay a gun?
• What does a grid coordinate represent in targeting?
• The maximum rate of fire is 4 rounds per minute for 2 minutes, and the sustained rate of fire is 2 rounds per minute (determined by the ETWD). This statement is:
• Which target location method uses range and bearing from a reference point?
• The statement 'The Vehicle Motion Sensor is located on the left side of the howitzer, right below the traversing handwheel' is true.
• Which component stores the muzzle velocity results for the 200 most recently fired rounds?
• Which of the following is least relevant to the process of zeroing a gun?
• Which DA Form part consists of the 11 elements of the fire command?
• What is the purpose of a target location method, such as grid or polar coordinates?
• What type of recoil mechanism does the M777A2 howitzer have?
• Which element describes how fire is delivered in a fire plan?
• The Recorder receives and records all mission data on which form?
• After closing the breech and aligning Breech Witness Marks and hearing STAND BY, Cannoneer #2 primes the howitzer using the __________.
• Which action is performed first upon hearing a Quadrant Set announcement by the A-Gunner?
• How does weather impact external ballistics computations?
• The fire command 'Fuze' designates the setting to be applied to the fuze.
• Cannoneer #3 places the projectile onto the loading tray only after verification by the Section Chief.
• Which element designates pieces/rounds anticipated to fire in the fire for effect phase?
• Which action is essential to safety and accountability after firing?
• Which coordinate references are used when reporting target bearing to FDC?
• Which cannoneer is responsible for swabbing the powder chamber, gas check seat, and spindle after every round?
• What is meant by a “checkfire” and when would it be used?
• Which item completes the blank in the list of the eleven elements of a fire command: Warning Order, Pieces to Follow/Pieces to Fire/Method of Fire, __________, Projectile, Ammunition Lot, Charge, Fuze, Fuze Setting, Deflection, Quadrant, and __________?
• The Vehicle Motion Sensor is located on the left side of the howitzer, right below the traversing handwheel. True or False?
• Which propelling charge is green in color?
• When storing ammunition, there should be at least ___ inches of clearance over, and ___ inches of clearance on the sides at all times.
• What is the maximum safe towing speed on improved roads?
• How does observation quality affect the accuracy of firing?
• How does fuse timing affect HE rounds at different ranges?
• Which part of the DA Form contains total ammunition count and lot code designators?
• Which sub-component of the DFCS is needed to program precision-guided munitions?
• The two types of fire commands are which?
• How should ammunition be stored and handled safely?
• What is the purpose of using observed corrections when calculating a ballistic solution?
• Which Cannoneer selects and prepares the commanded shell/fuze combination?
• When charging the Scavenge System, the desired pressure to obtain is
• The _______________________ calculates muzzle velocity and allows the DFCS to store the results of the 200 most recently fired rounds.
• Which factor does Time of Flight not depend on?
• The purpose of fire commands is to save time and eliminates errors (confusion) between the FDC and the gun line. True or False?
• Which element provides permission to load, lay, and fire unless restricted by special instructions?
• Which Cannoneer is responsible for announcing 'READY, RAM' after the round passes the Swiss Groove?
• What is the primary role of the Fire Direction Center (FDC) in a cannon battery?
• After the Section Chief announces 'I SEE RED', Cannoneer #2 closes the breech utilizing which component, and ensures witness marks are aligned?
• Which two Cannoneers emplace the aiming posts during emplacement?
• Upon receipt of a fire mission, the Gunner repeats the announced Deflection and applies it to the Deflection Counter of the M137A2 Panoramic Telescope.
• The M110 series WP projectile has a Bursting Tube Explosive Train.
• What action occurs when Cannoneer #4 announces Ready, Drop?
• During loading, propellant must be seated past which feature?
• What action should be taken if a target is danger close to friendlies during a mission?
• What tool is used to mate the M1156 PGK to projectiles?
• The Driver observes and announces 'BORE CLEAR' immediately after initial receipt of 'FIRE MISSION' and at 'END OF MISSION'. True or False?
• What is the purpose of a “no-fire” command?
• What is the nomenclature of the firing mechanism used with the M777A2 howitzer?
• What are the three fundamental firing data elements used to place a round on target?
• How should a gun crew adjust fire when the target is behind a range obstruction?
• What is the target pressure for charging the Scavenge System?
• Cannoneer #2 loads the propellant into the cannon tube and ensures it is seated past which feature?
• The maximum distance for the far aiming post is 200m.
• The M767A1 is categorized as which type of fuze?
• What does Cannoneer #2 announce after the propellant is loaded?
• Where ammunition fired is recorded on the DA Form?
• Why is map reading and plotting essential in artillery operations?
• What should be announced by the Section Chief before Cannoneer #2 primes the howitzer?
• Cannoneer Number 3 and Assistant Gunner stow trail arms during displacement.
• Which instrument contains the Deflection Counter used when applying deflection after receiving a fire mission?
• Which environmental factors affect external ballistics computations?
• The statement 'Upon receipt of a fire mission, the Gunner repeats the announced Deflection and applies it to the Azimuth Counter' is which of the following?
• After activation, the M762 and M767 series fuzes have a service life of how many days?
• The High Angle instruction is used when the quadrant elevation is equal to or higher than ______ mils.
• Upon verification from the Section Chief, Cannoneer #3 places the projectile on to the loading tray. True or False?
• The _______ allows cannoneers to load and extract primers during fire mission cycles.
• What is the nomenclature of the only authorized primer used with the M777A2 howitzer?
• Which option best describes the recoil system of the M777A2?
• Which type of ammunition is used to illuminate an area during nighttime operations?
• What propelling charge is an individual, bi-directional charge, green in color, and has a center core igniter encased in a rigid combustible case?
• What does deflection mean in firearm aiming?
• During boresight verification, the A-Gunner installs the M154 on the dove tail mount.
• In the field firing procedure, which component is used to apply the announced deflection to the azimuth?
• What is the designation of the panoramic telescope used with the M777A2?
• Cannoneer #4 brings up the prepared shell/fuze combination for verification and loading. True or False?
• Upon the Section Chief's announcement of which sequence, Cannoneer #2 closes the breech and announces the status?
• What is Time of Flight (TOF) and what factors influence it?
• The Recorder verifies the Quadrant 563 from the DA Form 4513 and announces Quadrant 563 verified.
• Which of the following best describes the Fire Direction Center's role during the execution phase of a firing mission?
• The Recorder verifies the Shell/Fuze combination, Charge, ________, and Quadrant with the Section Chief from the DA Form 4513.
• Which cannoneers apply the handbrakes on the M777A2 howitzer during emplacement?
• The statement 'The M232A1 can be fired from zone 3 through 5' is correct.
• After firing the first round, Cannoneer #1 leaves the Lanyard attached to the firing lever to facilitate quicker firing of subsequent rounds. True or False?
• Which data element directly controls the vertical aiming angle of the gun?
• Which statement correctly describes a Preliminary Fire Plan?
• After the loading tray is lowered and the round is pushed past the Swiss Groove, Cannoneer #4 announces 'READY, RAM'.
• Which maintenance action is required for the Primer Vent Hole after each fire mission or primer magazine change?
• If you need to increase the vertical angle to hit a higher target, you would adjust which parameter?
• What tool can be used to set the M767A1 electronic time fuze besides by hand?
• Define ‘danger close’ in artillery and its implications for fire control.
• Upon receipt of a fire mission, the A-Gunner repeats the announced Quadrant and applies it to the M18A1 Fire Control Quadrant.
• The M777A2 on-carriage elevating range spans from which to which mils?
• Who provides target location and corrections to the Fire Direction Center (FDC) during an engagement?
• Which Cannoneer selects and prepares the commanded propelling charge?
• What is the upper bound in mils of the M777A2 on-carriage elevating range?
• What should you do if you receive a misfire after loading?
• After traversing the tube to achieve proper sight picture with the aiming point and the M171A1 is level, the Gunner will announce Deflection (whatever), Ready.
• What is the difference between an Immediate Fire Mission and a Planned/Deliberate Fire Mission?
• Upon receipt of a fire mission, the Gunner repeats the announced Deflection and applies the Deflection to the __________ Counter?
• What are the primary responsibilities of the Gun Commander in a firing mission?
• What elements are typically included in a fire data sheet?
• The state of charge of the DFCS can be read from which of the following?
• In the acronym TLABSPAP, what does the second 'A' stand for?
• What is Counter-Battery Fire and when is it used?
• What are the roles of a Spotter/Observer during a fire mission?
• What is the maximum safe towing speed cross country?
• How many elements are in a standard fire command?
• Where should a spotting round be fired from?
• During the second "A" of TLABSPAP, Cannoneer #3 emplaces the collimator 6-9 meters from the pantel. True or False?
• Who observes impacts and communicates corrections to refine subsequent rounds?
• What is the maximum safe towing speed on secondary roads?
• The state of charge of the DFCS can be found on either the CSD-R or the IPCCM. Which of the following describes where it can be found?
• In the field, what is used to verify or compute a ballistic solution?
• Differentiate between High Explosive (HE) rounds and Illumination rounds.
• The Assistant Gunner's Display provides a menu driven interface between the DFCS and the Section Chief.
• The nomenclature of the Panoramic Telescope used with the M777A2 howitzer is:
• Who generally authorizes and prioritizes a fire mission under fire support planning?
• When a checkfire is issued in the field, what is the recommended action?
• The only authorized fuze for use with base ejection projectiles is which of the following?
• What is a fire mission and who typically initiates it?
• The shipping and storage setting for the M782 is:
• Which Cannoneer places the projectile onto the loading tray after verification from the Section Chief?
• During Boresight Verification, the A-Gunner installs the ______ on the dove tail mount.
• Which phrase confirms breech closure and witness marks alignment?
• What is the goal of an 'adjust fire' maneuver?
• During a fire mission, what is the role of the Assistant Gunner (AG)?
• What determines the timing and method of a Planned/Deliberate Fire Mission?
• Which personnel verify before Cannoneer #2 loads the propellant?
• If a target is obscured by a terrain feature, what correction approach is recommended?
• What does 'zeroing' a gun achieve?
• How does trajectory differ between high-angle and low-angle fire?
• The M767A1 electronic time fuze can be set by hand or with the M18 combination fuze-wrench and setter. True or False?
• Why is ammunition accounting after a firing mission essential?
• Who receives the M1A2 collimator and pantel after exiting the prime mover?
• Why is discipline in radio communications critical during artillery firing?
• Which outcome best describes the role of a Range Safety Area when cannons are firing?
• Which sub-component assists with the howitzer's ability to self-locate, as well as determines pointing data (azimuth/deflection and elevation/quadrant)?
• Who is responsible for selecting and preparing the commanded shell/fuze combination?
• Which DFCS component serves as the interface hub among all DFCS components?
• What is the purpose of a Range Safety Area (RSA) around cannons?
• If air density changes due to weather, what adjustment is required in ballistic data?
• Upon receipt of a fire mission, the Gunner repeats the announced Quadrant and applies it to the M18A1 Fire Control Quadrant.
• Which two safety steps are performed before loading ammunition?
• Which checks should be performed after a firing mission before the gun crew moves?
• Which element of the fire command gives the Section Chief the permission to load and fire unless restricted by Special Instructions?
• Cannoneer #1 lowers the loading tray when Cannoneer #4 announces ___________.
• What document does the Recorder verify Quadrant data against?
• The 4 elements of a complete round are: Fuze, Projectile, ________, and Primer.
• The statement 'The device installed on the dove tail mount during boresight verification is the M154' is true.
• How do you measure and report target bearing in field conditions?
• What is the first action in a misfire procedure and what is its purpose?
• Which part of the DA Form contains section, date, page, standard data?
• The M777A2 howitzer's two positions (configurations) are __________ and __________.
• Which Cannoneer is responsible for announcing, 'BORE CLEAR'?
• What is the role of a spotter in verifying the impact area?
• Which statement best distinguishes internal ballistics from external ballistics?