Hamas' infamous network of tunnels await Israeli forces should they invade the Gaza Strip. A former US Army infantry soldier said Hamas can use tunnels for defensive and offensive maneuvers, challenging an invading force. Photo by Yousef Masoud/SOPA Images/LightRocket via Getty ImagesMuch of the tunnel network is narrow, and some portions have been discovered to be over 200 feet deep. AdvertisementAdvertisementOffensively, the tunnels give Hamas the ability to conduct surprise attacks on IDF forces, Spencer said. The tunnel issue, of course, is not the only challenge that Israeli soldiers will face in an invasion of Gaza.

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Persons: —, John Spencer, Din, Yousef Masoud, Scott Peterson, Spencer, Ashraf Amra, it's, — that's Organizations: US, Service, Israel Defense Forces, West, Institute, IDF, Hamas, Getty, Israel, US Marines, Cu Chi, American, Islamic, Ordnance Air, ISIS, Combat Engineering Corps, Unit, Al, Quds Brigades, Islamic Jihad Movement, Anadolu Agency, United Nations Locations: Gaza, Israel, Egypt, Iwo Jima, Vietnam, Cu, Islamic State, Iraq, Afghanistan, Quds, Israeli, Gaza City