SOURCE: SPUTNIK China began testing on a new type of helium stratospheric airship. The Yuanmeng aircraft can reach a height of 100 kilometers and conduct reconnaissance without being seen by other aircraft or rockets.The airship is filled with 18 thousand cubic meters of helium and can spend 48 hours in the air. There are solar […]
from idrw.org http://ift.tt/1S4gIIj
via IFTTThttp://idrw.org
No comments:
Post a Comment