Appa, a great pyrenes service dog, receives affection from Airmen a part of the 633d Operation Medical Readiness Squadron at Joint Base Langley-Eustis, Virginia, Jan. 25, 2023. Appa visited multiple squadrons within the 633d Medical Group, walking the hallways to receive affection and raise morale for any service member or patron in need of a furry friend. (U.S. Air Force photo by Airman 1st Class Mikaela Smith)