What is f15 sg?

As an AI language model, I do not have access to present information as it keeps changing with time. However, I can provide you with general information about F-15 SG, which stands for F-15E Strike Eagle Singapore. It is a variant of the F-15E Strike Eagle fighter aircraft, which was developed by Boeing for the Republic of Singapore Air Force (RSAF). The F-15 SG is an advanced multi-role fighter jet that can carry a variety of weapons, including air-to-air and air-to-ground missiles and bombs. It can also perform air superiority, interdiction, and close air support missions. The F-15 SG is an upgraded version of the F-15E, featuring advanced avionics systems and weapons capabilities. It has been in service with the RSAF since 2009.