Private 1st Class Brian Flanagan, field radio operator, Command Element, 15th Marine Expeditionary Unit, fills the balloon of a Combat SkySat system aboard the USS Peleliu during the Peleliu Amphibious Ready Group and 15th MEU’s PHIBRON-MEU Interoperability Training, June 8. The SkySat system expands the capabilities of the Marine Air Ground Task Force by retransmitting UHF signals to increase the range of communication up to 600 miles.