At Least, Your Bridge) 11.15.2010 | Matt Shipman The ISEP is NOT a prop from the Lorne Greene-era Battlestar Galactica. If the 1970s version of Battlestar Galactica had included water cannons, they would probably have looked like the ISEP ( In situ Scour Evaluation Probe). But, unlike Battlestar Galactica props, the ISEP