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Space Warfare

Poke, poke, poke?
 
To build upon this capability, the follow-on Surveillance of Space 2 (SofS2) project was established by the Royal Canadian Air Force to maintain continuous space domain awareness and protect national space assets. I don't know current status of this program.
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There are also recent defence initiatives involving the Canadian military and outer space. Under the Enhanced Satellite Communications Project–Polar (ESCP-P), the federal government awarded Telesat a contract to integrate secure military communications payloads into its upcoming Low Earth Orbit Lightspeed LEO constellation.

Furthermore, on the east coast, the development of Spaceport Nova Scotia near Canso by Maritime Launch Services (partly funded by DND) has positioned the site as a multi-user facility intended to provide sovereign commercial and government launch services for polar and sun-synchronous orbits.

Further to the above ... on this topic, surfing I dug up some information on some upcoming Canadian military space programs. I may have details below incorrect, but this what I gather. ..

Redwing and LISSA

I read Redwing and LISSA form a cooperative research and development mission led by Canada's Defence Research and Development Canada (DRDC), in partnership with the UK's Defence Science and Technology Laboratory (Dstl), to advance space domain awareness.

Purportedly, scheduled for launch in 2027 into a sun-synchronous Low Earth Orbit approximately 575 km above Earth, the Redwing microsatellite will act as the primary host spacecraft and deploy the shoebox-sized LISSA (Little Innovator in Space Situational Awareness) 6U nanosatellite once in orbit, allowing the two to fly in tandem up to 200 km apart along the same orbital track.

I read that, together, the satellites are intended to investigate and characterize objects in congested orbital environments, such as commercial mega-constellations. Redwing will use a visible-light imaging payload to observe and track space objects, and will also explore tracking objects in orbits approaching cislunar distances (approximately 380,000 km from Earth). Trailing behind it, LISSA will carry an experimental short-wave infrared (SWIR) camera provided through the UK Dstl partnership, designed to address the challenges of reflected light from clouds and ice over the Antarctic South Pole during summer. This will allow researchers to compare observations from both spacecraft and aid in the development of future operational surveillance capabilities.

Surveillance of Space 2 (SofS 2)

As noted in my own post that I quoted, Surveillance of Space 2 (SofS 2) is Canada's new separate, larger follow-on defence program designed to replace and expand upon the capabilities of the original Sapphire satellite (which was launched in 2013). The project has a published funding range of $250 million to $499 million, where SofS 2 is designed to combine next-generation space-based sensors with a distributed network of ground-based optical observatories to detect, track and characterize deep-space Earth-orbiting objects.

I recall, in March 2026, Canada's Defence Investment Agency awarded MDA Space a $32-million contract to establish three remotely operated optical telescope sites in Alberta, Manitoba and New Brunswick, with the three sites expected to be delivered by June 2028. I believe these facilities are planned to operate alongside space-based sensors as part of an integrated surveillance architecture.

So in summary, while Redwing and LISSA are experimental satellites designed to test new technologies and techniques for tracking objects in space, SofS 2 is a separate, larger defence program intended to maintain and improve on Canada's long-term space surveillance capabilities through a combination of space-based sensors and ground-based observatories. My speculation is that it will also contribute surveillance data to allied networks, including the U.S. Space Surveillance Network.
 
Further to the above, there is also another Canadian military space program: Gray Jay Pathfinder (GJP)

The Gray Jay Pathfinder (GJP) mission is a Canadian military research and development constellation led by Defence Research and Development Canada (DRDC) to test space-based Intelligence, Surveillance, and Reconnaissance (ISR) over the High Arctic. Developed and built for DND by the University of Toronto Space Flight Laboratory (SFL) under a $16.3-million contract, the three-satellite cluster was launched in January 2025 aboard a SpaceX Falcon 9 into a polar, sun-synchronous Low Earth Orbit at roughly 510 km altitude. It aims to demonstrate sustained, sovereign monitoring of maritime and air traffic across Canada's vast northern approaches.

Here is a youtube video of this:

The constellation consists of three 30-kilogram microsatellites—designated Jay C, Jay D1, and Jay D2—operating in a coordinated formation. Jay C serves as the "chief" reference spacecraft, while the two propulsion-equipped "deputy" satellites (Jay D1 and Jay D2) actively maneuver around it, maintaining controlled separations of up to 60 km across-track. By flying in a precise geometric cluster rather than as isolated platforms, the trio can triangulate and geolocate radio-frequency (RF) signals from vessels and aircraft moving through Arctic waters and airspace.

I also note a SFL missions article: Gray Jay Microsatellite Constellation for Arctic Monitoring

Each satellite carries a multi-band software-defined radio (SDR) payload capable of monitoring VHF, UHF, L, S, and X radar bands, alongside dedicated Automatic Identification System (AIS) and Automatic Dependent Surveillance-Broadcast (ADS-B) receivers to track ships and aircraft. In addition, the chief satellite (Jay C) carries a thermal infrared camera (8–14 µm) to capture heat signatures and visually confirm targets detected by the RF sensors, even during the prolonged darkness of the Arctic winter.

While Gray Jay is an experimental R&D demonstrator rather than a permanent operational system, the techniques it validates (such as autonomous formation flying, multi-satellite RF geolocation, and Arctic sensor tasking) are directly in support of the Canadian Armed Forces' future operational Arctic surveillance architecture and broader continental defence modernization efforts.

And finally, here is a link to a Space Flight Laboratory Slide presentation entitled: Gray Jay Pathfinder: One Year of Maritime and Airborne Vessel Monitoring With a Formation-Flying Constellation of Microsatellites : https://digitalcommons.usu.edu/cgi/...article=6454&context=smallsat&type=additional
 
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