« on: April 17, 2006, 07:04 AM »
Since to only place we really see these fighters in action (in the films) is in areas where there is an atmosphere, they may aid in manuverability and/or stability during dogfighting.
From the SW.com databank:
The ship's heavy nose contains sensitive long-range sensors for its snoop missions. Its extendable s-foils radiate heat and serve as a conduit to deflector shield energy. They also help stabilize atmospheric flight, making the ARC-170 an effective aerial fighter as well as a space superiority vessel