Tanker from 126th ARS, Wisconsin ANG flying over Lake Michigan during the 2024 WaterStone Bank Air & Water Show at Milwaukee. The 'R' designation started in the 1980s as KC-135A and KC-135E engines were replaced with 98 kN CFM-56-2B1 turbofans. These aircraft are still going strong after 60 years and are likely to continue in service for some time.

Dolphin from CGAS Detroit flying over Lake Michigan during the 2024 WaterStone Bank Air & Water Show at Milwaukee. The helicopter was upgraded to the 'E' variant with improved mission capabilities under Discrete Segment 6 through a Common Avionics Architecture System (CAAS) glass cockpit and digital weather radar. in Discrete Segment 8, a service life extension update through SLEP was done to five of its major structural components in the forward section.