U.S. Air Force Lt. Col. (Dr.) Shannon Gaffney, left, 60th Medical Diagnostics and Therapeutics Squadron staff radiologist and chief of breast imaging, and Capt. (Dr.) Bradley McCann, 60th MDTS radiology resident, practice breast biopsies using chicken breast during Sonopalooza 2022 at David Grant USAF Medical Center, Travis Air Force Base, California, Oct. 20, 2022. Sonopalooza 2022 is the 3rd Annual Ultrasound Radiology Resident Conference at DGMC. It aimed to educate radiology residents on the mechanics of ultrasound machines and give them hands-on experience with scanning and performing biopsies. (U.S. Air Force photo by Chustine Minoda)