Popular Science reports rebels in Syria are turning condoms into balloons to lift small explosive charges into the air. It's an apparent effort to keep low-flying aircraft from strafing and bombing their positions.
Lest you think this urban legend, they have photos purporting to show the condom bombs lifting off. Of course in this era of Photoshop, a photo may or may not have a meaningful relationship to reality.
Hat tip to RealClearDefense for the link.