| Name of Detail. | Posts. |
| Chief of detachment (sergeant). | Two yards in rear of the breech, |
| facing it. | |
| Gunner (duly qualified corporal | Near the azimuth subscale |
| or private). | facing the mortar. |
| Breech detail (two privates, | In line immediately in rear of |
| Nos. 1 and 2). | the breech, facing it, No. 1 |
| on the right. | |
| Sponge and rammer detail (two | At the sponge and rammer, |
| privates, Nos. 3 and 4). | facing the mortar. |
| Elevating detail (two privates, | At the elevating hand-wheels, |
| Nos. 5 and 6). | facing them, No. 5 on the |
| right of the carriage, No. 6 | |
| on the left. | |
| Traversing detail (two privates, | At the traversing-cranks, facing |
| Nos. 7 and 8). | the mortar, No. 7 at the right |
| crank, No. 8 at the left. | |
| Truck detail (two privates, | In the gallery, near the entrance, |
| Nos. 9 and 10). | in the rear of and facing a |
| loaded truck, No. 9 on the | |
| right, No. 10 on the left. |
The posts of the gun detachment as given above are for inspection and preparatory to the service of the mortar.
Q. State in brief what equipments or implements each procures and places in proper positions.
A. No. 1: Oil-can, hand-sponge, and silk wiper.
No. 2: Silk wiper.
No. 3: Long lanyard, bore and chamber sponge.
No. 4: Rammer.
No. 5: Wrench for filling plug.
No. 6: Wrench for filling plug, measure and funnel.
No. 8: Primer-pouch, bag, scabbard, etc.
Q. How is a breech-block opened and closed?
A. In the same manner as for the 8-, 10-, and 12-inch guns.
Q. What does each member of the detachment inspect or test with a view of cleaning or oiling, if necessary, at the command "Examine gun!"?
A. Chief: Mortar in general.
Gunner: Azimuth subscale and traversing-gear.
No. 1: Breech-block and breech mechanism.