e/E77 balloon bomb

Information
has gloss	eng: The E77 balloon bomb was a U.S. anti-crop biological munition based on the design of Japanese fire balloons. The E77 used feathers as a vector to disseminate anti-crop agents from a hydrogen-filled balloon and was first developed in 1950.
lexicalization	eng: E77 balloon bomb
instance of	(noun) large tough nonrigid bag filled with gas or heated air balloon