Startups

Urban Sky Nabs $30M for Stratospheric Balloons

Image: UrbanSky

Goodbye red balloon, yellow balloon, weather balloon, Red Bull skydive balloon, 2023 Chinese spy balloon; say hello to 10-lb “personally deployable satellite” stratospheric balloons. 

Urban Sky raised a $30M Series B led by Altos Ventures to advance its balloon technology, the company announced this morning. The startup is aiming to siphon off some of the national security EO market, using its balloon tech to conduct tactical DoD applications and real-time data processing.  

Balloon mania: Founded in 2019, the Denver, CO-based startup builds navigable stratosphere balloons for Earth imaging. The company has flown its Microballoon on 330+ missions, including last month over the Los Angeles fires. 

  • The reusable balloons fit inside a backpack and can be deployed within five minutes.
  • Microballoons can fly for a few days at over 60,000 ft (higher than aircraft but well below satellites), navigating by shifting altitudes to catch wind pockets.

The company operates the balloons on behalf of governments and commercial customers, launching them through a network of contractors. However, the DoD is interested in procuring the balloonware for in-the-field operations. 

“Within the last year, we’ve had an enormous amount of interest from the Department of Defense,” cofounder Andrew Antonio told Payload. “Rapid deployability and response imagery for the military basically amounts to a personally deployable satellite.”

Personally deployable satellite: Soldiers can carry the 10-lb balloon into contested environments and deploy them on multi-day stratosphere remote sensing and comms missions. The low-cost and rapid deployability tech is a particularly attractive capability for the Pentagon as it creates economic asymmetry for adversaries wanting to eliminate the balloon with a $100,000 missile. 

Compared to real satellites: “We’re roughly three times higher resolution than the best satellite imagery you can buy right now, and at half the price,” said Antonio.

  • Given the company’s proximity to the ground, Urban Sky can capture 10-cm imaging (priced at $5 to $15 per square km), compared to the 30-cm imaging taken by large LEO sats. 
  • Also, unlike satellites, balloons can station themselves over a particular area, beaming 24/7 imagery instead of orbital flyover images. 
  • The drawbacks of ballooning are that stratospheric hovering may not be acceptable in certain regions, and paying for continuous coverage may not be necessary.
Related Stories
EuropeLEOStartups

ATMOS and Space Cargo Unlimited Target First Reentry Mission in 2026

The mission will be the first of seven where ATMOS’ Phoenix reentry vehicle will carry SCU’s BentoBox platform to orbit and back.

BusinessStartups

Varda To Operate Two Spacecraft at Once with W-5 Mission

The company has big dreams of launching spacecraft multiple times per week, but to get there, Varda needs to ensure that its workforce of ~175 people can handle the workload.

StartupsVC/PE

Reflex Aerospace Raises €50M Series A

Reflex will use the capital to expand the manufacturing capacity at its facility in Bavaria, which will be able to churn out 60 to 70 highly complex satellites per year, according to CEO Walter Ballheimer.

EuropeStartupsTechnology

European Startups to Test a New Lightweight Composite

FibreCoat from Germany and Lofith Composites from Spain have joined forces to develop a new composite for satellite panels that aims to be lighter and stronger compared with conventional materials.