Language Progression


Watch this magic transition. (All these stories came from Science Daily.)

Fuel Cell Powered Unmanned Aerial System Achieves Flight Endurance Milestone

Aug. 7, 2009 — The Naval Research Laboratory (NRL) has completed a successful flight test of the fuel cell powered XFC (eXperimental Fuel Cell) unmanned aerial system (UAS). During the June 2 flight test, the XFC UAS was airborne for more than six hours. NRL’s Chemistry and Tactical Electronic Warfare Divisions are developing the XFC UAS as an expendable, long endurance platform for Intelligence, Surveillance and Reconnaissance (ISR).

Surveillance Vehicles Take Flight Using Alternative Energy

Apr. 6, 2009 — Nearly undetectable from the ground, unmanned aerial vehicles (UAVs) are widely used by the military to scan terrain for possible threats and intelligence. Now, fuel cell powered UAVs are taking flight as an Office of Naval Research (ONR)-sponsored program to help tactical decision-makers gather critical information more efficiently… and more quietly.

New Endurance Record for Small Electric Unmanned Aerial Vehicle

May 10, 2013 — Researchers at the U.S. Naval Research Laboratory flew their fuel cell powered Ion Tiger UAV for 48 hours and 1 minute on April 16-18 by using liquid hydrogen fuel in a new, NRL-developed, cryogenic fuel storage tank and delivery system. This flight shatters their previous record of 26 hours and 2 minutes set in 2009 using the same vehicle, but with gaseous hydrogen stored at 5000 psi.

Can you pronounce “Drone” my friend? Has the word “Drones” become problematic politically? Hmm. Ya think? Drones don’t kill people, the rockets they launch do. Unmanned Aerial Systems don’t destroy Democracy. Surveillance vehicles do.

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