Broadsword Cockpit Sleuthing

Most of everyone who frequents the CIC knows how the Wing Commander movie production modified English Electric Lightning cockpits for the movie's Rapier fighters. Powell99 noticed something familiar about movie's Broadswords.

I've always wondered about the Movie's Broadswords. Were they made from scratch? Because they sure look like the cockpits of old English Electric/Martin Canberra Bombers.

Here are a few comparison shots... What do you think? Looks like a match to us.