Five others aboard the aircraft were rescued, the report said, adding the crash took place Friday evening, Xinhua reported.
The reported cited the US army source as saying that this was a routine training event.
Yemen, located on the southern end of the Arabian Peninsula, is engulfed in the years-long civil war.
The war pits Shiite rebels known as Houthis and their allies against a Saudi-led coalition backing the country's internationally recognized government.
The UShas provided targeting and logistical support to the Saudi-led coalition, which faces criticism over its airstrikes killing civilians in the conflict.
(This story has not been edited by Social News XYZ staff and is auto-generated from a syndicated feed.)
About VDC
Doraiah Chowdary Vundavally is a Software engineer at VTech . He is the news editor of SocialNews.XYZ and Freelance writer-contributes Telugu and English Columns on Films, Politics, and Gossips. He is the primary contributor for South Cinema Section of SocialNews.XYZ. His mission is to help to develop SocialNews.XYZ into a News website that has no bias or judgement towards any.