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With their strange silhouettes and awe-inspiring capabilities, today's UAVs, like this Predator, seem to have flown in from the future. But the Predator and the dozen other operational UAVs in the U.S. military arsenal owe their existence to the past. They are only the most recent and advanced installments in a century-old history of unmanned warfare and surveillance from the skies. Click on the UAV icons below to learn more about the Predator and some of its UAV ancestors. — Lexi Krock

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Jul 25, 2024 — WATCH: Edmonton police tase man carrying a metal pole through traffic.

From their early use as target drones and remotely piloted combat vehicles, UAVs took on a new role during the Vietnam War: stealth surveillance.

During the late 1970s and throughout the 1980s, the Israeli Air Force, an aggressive UAV developer, pioneered several important new UAVs, versions of which were integrated into the UAV fleets of many other countries, including the U.S.

During World War I, the first UAVs took flight in the U.S. Though the success of UAVs in test flights was erratic, the military recognized their potential in combat. Armistice arrived before the prototype UAVs could be deployed in earnest.

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UAVs command a permanent and critical position in high-tech military arsenals today, from the U.S. and Europe to Asia and the Middle East. They also play peaceful roles as monitors of our Earth's environment.

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2023823 — Funds received under this program must be used for the acquisition of new, compliant drones for the participating law enforcement agency.

During World War II, Nazi Germany's innovative V-1 demonstrated the formidable threat a UAV could pose in combat. America's attempts to eliminate the V-1 laid the groundwork for post-war UAV programs in the U.S.

For more than a decade after the end of World War I, development of pilotless aircraft in the U.S. and abroad declined sharply. By the mid-to-late 1930s, new UAVs emerged as an important combat training tool.

The success of the Firebee continued through the end of the Vietnam War. In the 1970s, while other countries began to develop their own advanced UAV systems, the U.S. set its sights on other kinds of UAVs.

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Millions of workers across the United States rely on respiratory protection to keep them safe on the job. This includes workers in occupations such as healthcare, public safety, emergency response, and research. To reduce exposure to respiratory hazards, it’s best to apply the hierarchy of controls. Respiratory protection is an important “last line of defense” in the hierarchy of controls approach of reducing exposure. You must enroll in the UCSF Respiratory Protection Program if you intend to use respiratory protection in the workplace,. Please select from the options listed to the right as applicable to you, and follow the outlined steps. If you don’t find what you are looking for, please email [email protected]

Years before the first manned airplane flight on December 17, 1903, primitive UAV technology was used for combat and surveillance in at least two wars.

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Blood and body fluid precautions involve the use of protective barriers such as gloves, gowns, masks, and eye protection. These reduce the risk of exposing the ...

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The surveillance UAVs of tomorrow may evolve into MAVs, or micro aerial vehicles, lilliputian spies so tiny they can take off and land in the palm of their operators' hands. The U.S., Great Britain, Korea, and Israel are developing MAVs for surveillance use in the future.