Some of this gas was used in the world's first helium-filled airship, the U.S. Navy's C-7, which flew its maiden voyage from Hampton Roads, Virginia to Bolling Field in Washington, D.C. on December 1, 1921.
Ingxenye yalo mqulu yetshenziselwa ukuhamba ngezindiza zokuqala ze-helium yase -US Navy, i- C-7, eyenza indiza yayo yokuqala esuka eHolton Roads , Va. , Eya eBolling Field, eWashington, DC, ngoDisemba 7, 1921.