Brig. Gen. Helen G. Pratt, left, commanding general of 4th Marine Logistics Group, presents Seaman Apprentice Tiffany J. Parker, a dental assistant with 4th Dental Battalion, with a challenge coin to congratulate her on going above and beyond during Innovative Readiness Training Arctic Care 2018, Noatak, Alaska, April 21, 2018. IRT Arctic Care 2018 is comprised of a joint and multi-national force providing medical, dental, optometry and veterinary care for underserved villages in the Maniilaq Service Area, April 16-24. Distinguished visitors from different military branches visited service members to thank them for their hard work and to tour the training areas in different villages. (U.S. Marine Corps photo by Sgt. Melissa Martens)