What does the mortar to be laid announce after referring their sight to the base mortar gun sight?

The phrase "Aim point identified" indicates that the crew has successfully aligned the mortar to the designated point of aim after referencing the base mortar gun sight. This phrase is crucial as it confirms that the mortar has been properly set for firing towards the intended target location.

In mortar operations, precision and coordination are essential, and identifying the aim point ensures that all members of the crew are aware that the sighting process is complete and that the mortar is prepared to engage the target. The confirmation of the aim point being identified is the first step in the firing sequence, as it aligns the mortar’s trajectory with the base sighting reference.

Other choices refer to aspects of the firing operation but do not specifically align with the process of confirming the aim point through the mortar gun sight. "Target acquired" speaks more to the overall readiness of the unit to engage a target, while "Position confirmed" might imply that the mortar's location has been established, and "Ready for next command" suggests readiness without the specific sighting confirmation. Thus, the distinction in the phrase "Aim point identified" emphasizes the importance of achieving the correct alignment before proceeding further in the firing process.