This is the logo of Delta Airlines. The key features of this logo design are that it is a dimensional logo. Uses the colors Blue, White and Red to represent the flag of the United States. Typography is an elegant authoritative Sans style font in all Capitalized letters.
on the right hand there are two triangles making a third one. But if you look closely there are more than three triangles in this shape. The shape of these triangles represents the aerodynamic shape of modern aircraft.
