The term 'Firing LINE' is a military term that refers to the LINE of soldiers who are ready to fire their weapons. It is also used in other contexts to refer to a situation where someone is under intense scrutiny or criticism. The crossword solutions for this term are 'FRONT, ' which refers to the LINE of soldiers at the FRONT of the formation, and 'LINE, ' which refers to the LINE of soldiers ready to fire their weapons. Together, these two words form the phrase 'Firing LINE, ' which is used to describe the LINE of soldiers ready to fire their weapons.