Squadron leaders are the lowest ranking officers that may fly a command flag. The flag may be depicted on the officer's aircraft or, should the squadron leader be in command, the flag may be flown from a flagpole or displayed on an official car as a car flag.

Who is in charge of a squadron?

The Squadron Commander (Sq/CC) is in charge. He or she has a deputy, referred to as the Operations Officer (DO). One way to look at the difference in their roles is to say that the Commander is primarily in charge of people (orders, promotions, mentorship, etc.)

How do you become a squadron leader?

The post of Flying Lieutenant comes under Time Scale Promotion. On promotion, Flying Lieutenant becomes Squadron Leader. A Squadron Leader is below the rank of Wing Commander. On completion of 6 years of total service, an Officer is granted the rank of Squadron Leader.