US Army deploys solar-powered spy drone with 1,000-mile range

To improve its intelligence, surveillance, and reconnaissance (ISR) capabilities, the US Army has introduced the K1000 Ultra-Long Endurance Unmanned Aircraft System (UAS).

2023 Nov 11

Solar-Powered Long-Endurance UAV

O. Dantsker, M. Caccamo, and R. Deters "Propulsion System Testing for a Long-Endurance Solar-Powered Unmanned Aircraft" in AIAA Aviation and Aeronautics Forum and Exposition,

2026 Feb 18

Solar-Powered Long-Endurance UAV

One of the major challenges in enabling this growth is UAV endurance. This is directly related to the amount of energy available to the UAV to perform its mission. This proposal looks to

2025 Jul 26

EndurEnergy – Safe, Reliable & Scalable LFP

At EndurEnergy, we power possibilities with advanced high-voltage batteries designed for solar installers across North America. With a focus on

2024 Jul 10

U.S. Navy tests long-endurance solar drone

Officials said the flight not only proved Skydweller''s ability to sustain power from solar energy throughout day and night cycles, but also validated its command-and-control

2024 Dec 24

US Navy''s Skydweller solar drone sets flight endurance record

To enhance its versatility, Skydweller Aero and its partners are considering several improvements. Higher-efficiency solar cells, optimized battery thermal management, and

2025 Jul 31

Navy demonstrates multi-day solar UAS flight

Led by the Naval Air Warfare Center Aircraft Division (NAWCAD), the test of Skydweller UAS marks a significant advancement in both long-endurance solar-powered UAS

2023 Jan 11

Sunswap Endurance | Electric Transport

Discover Endurance – Sunswap''s battery and solar-powered transport refrigeration unit designed to cut emissions, reduce costs, and deliver

2025 Jan 03

US Navy Orders Solar-Powered VTOL Drone From California

Drone developer Kraus Hamdani Aerospace has received a contract to deliver a solar-powered vertical takeoff and landing drone to the US Navy. The K1000 is an ultra-long

2023 Nov 27

Converted Solar Impulse 2 aircraft demonstrates 73-Hour

The Solar Impulse 2 demonstrated that an aircraft powered solely by solar energy could achieve sustained flight, completing its circumnavigation over 17 flight segments with

2025 Nov 21

US Army buys long-flying solar drones to watch over Pacific units

The Army''s 1st Multi-Domain Task Force has used a small number of Kraus Hamdani Aerospace K1000 Ultra Long-Endurance, solar-powered unmanned aircraft system

2025 Apr 03

US Army fields solar-powered drones

Soldiers from the 1st Multi-Domain Task Force (MDTF) deployed the solar-powered K1000 Ultra-Long Endurance (ULE)

2024 Jan 30

U.S. Navy Eternal Drone Signals The Dawn Of

The Navy is finally closing in on an important new capability, one that could transform its long-range, long-endurance missions – and

2025 Jun 30

HAPS Solar Endurance Calculator

Estimate endurance of a solar-powered high-altitude pseudo-satellite using panel area, efficiency, battery capacity, and power draw.

2024 Oct 29

Voyager and the Fiery Edge of the Solar System – Spirit Science

What Defines the Edge of the Solar System The solar system does not end where the planets stop. This is one of the most common misunderstandings about space. Beyond

2025 Sep 09

The Hybrid Tiger: A Long Endurance Solar/Fuel Cell/Soaring

Solar day 2: 3200 Wh/kg Fuel cell enables solar array to capture "free" energy on following day. Each additional day increases system specific energy & endurance.

2024 Jan 18

US Navy completes 73-hour solar-powered Skydweller UAS test

The US Navy (USN) has conducted a three-day, solar-powered test flight using Skydweller Aero''s eponymous uncrewed air system (UAS).

2024 Sep 23

Skydweller Solar Drone achieves endurance milestone in Navy test

The recent endurance flight conducted by Skydweller Aero for the US Navy marks a pivotal moment in drone technology. Over three days, the solar-powered unmanned aerial

2023 Jun 28

Navy demonstrates multi-day solar UAS flight

Led by the Naval Air Warfare Center Aircraft Division (NAWCAD), the test of Skydweller UAS marks a significant advancement

2025 Dec 19

U.S. Navy tests long-endurance solar drone

Officials said the flight not only proved Skydweller''s ability to sustain power from solar energy throughout day and night cycles, but also

2024 Jul 30

Microsoft Word

The anticipated range and endurance are feasible due to a unique hybrid power train that incorporates a high specific energy (~1200 Wh/kg) PEM fuel cell system, high efficiency

2023 Dec 01

US Army buys long-flying solar drones to watch

The Army''s 1st Multi-Domain Task Force has used a small number of Kraus Hamdani Aerospace K1000 Ultra Long-Endurance, solar

2025 Jan 09

Skydweller Solar Drone achieves endurance milestone in Navy test

Endurance Flight Test Overview The recent endurance flight conducted by Skydweller Aero for the US Navy marks a pivotal moment in drone technology. Over three

2023 Mar 15

Endurance_Abstract_221110B

The Decadal Survey noted that "Endurance rover mission is a superior approach for acquiring abundant samples across diverse terrains to address multiple top-level science questions for

2024 Oct 03