Staff Sgt. Nicholas Ouellette, a musician for Marine Band San Diego, works on changing a transmission seal on his 2007 Ford F-150 May 7 at the Auto Skills Center aboard Marine Corps Recruit Depot San Diego. The center provides equipment for servicemembers to work on their own cars to save money. - Staff Sgt. Nicholas Ouellette, a musician for Marine Band San Diego, works on changing a transmission seal on his 2007 Ford F-150 May 7 at the Auto Skills Center aboard Marine Corps Recruit Depot San Diego. The center provides equipment for servicemembers to work on their own cars to save money.