I understand that there is a way to change the squadron code letters and numbers on the side of the Spitfire. Where, in the mission editor can you do this? Thanks.

"From our orbital vantage point, we observe an earth without borders, full of peace, beauty and magnificence, and we pray that humanity as a whole can imagine a borderless world as we see it, and strive to live as one in peace."
Astronaut William C. McCool RIP, January 29, 2003 - Space Shuttle Columbia