Marine Corps Maj. Rayan Maple with Marine Aircraft Group 14 looks up information on his computer during a planning conference for Ullr Shield on Volk Field Air National Guard Base, Wis., Jan. 21, 2018. Ullr Shield is a training exercise designed to improve 2nd Marine Aircraft Wing's capabilities in extreme cold weather environments. ( Marine Corps

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Keywords: 29, 2nd, aircraft, america, armed, cold, defence, employee, exercise, federal, forces, government, group29, mag, marine, military, planning, service, shield, states, training, ullr, united, usa, weather, wing