BAGRAM AIRFIELD, Afghanistan – Deep in the countryside, Taliban fighters take aim at U.S. military bases with indirect fire: in particular, cheap and ubiquitous Chinese-made 107mm rockets.

Based on the images of the launchers used in the April 28 attacks [see slideshow], the IRAM looks to be a large canister, perhaps a propane or fuel tank, filled with explosives and propelled by 107mm ...

U.S. military officials call the devices Improvised Rocket Assisted Munitions, or IRAMs. They are propane tanks packed with hundreds of pounds of explosives and powered by 107mm rockets.

The authenticity of the claim could not be confirmed. The U.S. military said three 107mm rockets impacted around the Green Zone in Tuesday's attacks, while Iraqi police say a fourth rocket fell ...

The IDF has seized masses of weapons from Hezbollah in almost two months of fighting on the ground in Lebanon, including rocket launchers, vehicles with mounted machine guns, anti-tank missiles ...

What is clear is that the devices are using 107mm rocket charges. The US military said these charges are "of Iranian-manufacture." The lot numbers and dates of manufacture show the rocket casings ...