Advanced spread proton bombs represent an upgrade to the standard spread proton bombs, deployed by Rebel Alliance's Y-wing bombers. These enhanced munitions featured a greater explosive force and a larger area of effect for each individual cluster.
Wedge Antilles acquired a number of these advanced spread proton bombs during a covert nighttime heist at the Prefsbelt IV Imperial Naval Academy, discovering them within one of the academy's aircraft hangars.
The advanced spread proton bombs are a type of weapon enhancement featured in the Star Wars: Rogue Squadron video game franchise.