Despite claims, the rifle is Austrian-made and has been displayed by the militant group in the past.
At least six Israeli soldiers were killed in a strike on a 50-year-old armored personnel carrier. Here's how it could have happened.
There is a long history of Americans serving in the Israeli Defense Forces.
The U.S. Army says it must prepare troops for 'subterranean warfare,' in light of the use of tunnels across the world.