OLD HARBOR, Alaska - Cpl. Luis Ibarra, an electrical equipment repair technician with Marine Wing Support Squadron (MWSS) 473, observes a Bull Dog Fish through a microscope, with Angel Christiansen, a middle school student of Old Harbor, Alaska, July 15. Reserve Marines attended a biology lab presented by Dr. Switgard Duesterloh, a marine biologist from Kodiak College, Alaska. Reserve Marines participating in Innovative Readiness Training Old Harbor, worked with the students during their liberty period. (U.S. Marine Corps photo by Cpl. David Waite)