Radar Calibrations Navy Seaman 1st Class John Dempsey deploys an aluminum sphere attached to a helium balloon for a radar external calibration aboard the guided missile destroyer USS Arleigh Burke in the Atlantic Ocean, March 25, 2023. Arleigh Burke is on a scheduled deployment to the U.S. Naval Forces Europe area of operations, employed by U.S. Sixth Fleet to defend U.S., allied and partner interests. SHARE: Download: Full Size (1.49 MB) Tags: Navy, Ukraine Response Credit: Navy Petty Officer 2nd Class Almagissel Schuring VIRIN: 230325-N-DE439-1112A.JPG Photo Gallery