KENNEDY SPACE CENTER, FL – Although its far from sunny in the so called ‘Sunshine State’ the secret X-37B military mini-shuttle is set for a SpaceX blastoff and booster landing combo Thursday, Sept. 7 – even as the looming threat from Cat 5 Hurricane Irma forced Florida’s Governor to declare a statewide ‘State of Emergency.’
For years now, the program to develop the X-37B spacecraft has been shrouded in secrecy. Originally intended as part of a NASA project to develop a reusable unmanned spacecraft, this Boeing-designed spaceplane was taken over by the Department of Defense in 2004. And while it has been successfully tested on multiple occasions, there remain some unanswered questions as to its intended purpose and what has been taking place during these flights.
This, predictably, has lead to all kinds of rumors and speculation, with some suggesting that it could be a spy plane while others think that it is intended to deliver space-based weapons. It’s latest mission – which was dubbed OTV-4 (Orbital Test Vehicle-4) – has been especially clandestine. And after nearly a year in orbit, it remains unclear what the X37B has been doing up there all this time.
The mission began atop a Atlas V rocket which launched from Cape Canaveral Air Force Station on May 20th, 2015. As the second flight of the second X-37B vehicle, the stated purpose of mission was to test a Hall-effect thruster (HET) – a special type of ion thruster that NASA hopes to use on future satellites. The mission had the additional purposes of testing various materials in space for NASA, as well as experimental propulsion system developed by the US Air Force.
Sounds straightforward enough, doesn’t it? But here is where the clandestine nature of things kicks in. Originally, the mission was expected to last about 200 days. But as of the penning of this article, the vehicle is going on 365 days in orbit, and no one is quite sure why or what it is doing up there. While the duration of OTV missions have been secret in the past, as well as the location of their landings, this prolonged stay in orbit is leading to more conjecture about the X-37Bs true purpose.
For instance, if the X-37Bs primary purpose is to test reusable space technologies, then it would make sense to land it before long. In this case, the key aspects of the mission would come down to the Air Force testing their ability to deploy and retrieve the spacecraft, as well as its ability to deliver scientific packages to orbit. This is certainly in keeping with the US Air Force’s fact sheet on the X-37B, which sates that:
“The primary objectives of the X-37B are twofold: reusable spacecraft technologies for America’s future in space and operating experiments which can be returned to, and examined, on Earth… Technologies being tested in the program include advanced guidance, navigation and control; thermal protection systems; avionics; high-temperature structures and seals; conformal reusable insulation, lightweight electromechanical flight systems; and autonomous orbital flight, re-entry and landing.”
However, these aims seems incongruous will all the secrecy that surrounds the X-37B program, which is something one expects instead when dealing with the development of weapons systems. The long-terms stays in orbit also don’t appear to be in keeping with this, as these would only prove useful if the intended spacecraft was meant to act as a satellite (i.e. remain in orbit for extended periods of time to collect information).
As a result, it has been widely speculated in the past few years that the true purpose of the X-37B is to act as a spy plane. As Tom Burghardt commented in his 2010 article, “The Militarization of Outer Space: The Pentagon’s ‘Space Warriors’“, the development of the X-37B is part of the US Air Force’s stated intention of maintaining “space superiority”:
“Now the Defense Department wants to up the stakes with new, destabilizing weapons systems that will transform low- and high-earth orbit into another “battlespace,” pouring billions into programs to achieve what Air Force Space Command (AFSPC) has long dreamed of: “space dominance. Pentagon space warriors fully intend to field a robust anti-satellite (ASAT) capability that can disable, damage or destroy the satellites of other nations, all for “defensive” purposes, mind you.”
This was followed up in 2012 with allegations that the X-37B was spying on the Chinese Tiangong-1 space station module. These claims were naturally denied by the US Air Force, which indicated that the orbits conducted by the test flight did not allow for any opportunities to conduct surveillance. This was backed up by space journalist and analyst Jim Oberg, who said in an interview with the BBC, “They are in orbits which cross the equator about 90 degrees apart. They crisscross each others’ paths at thousands of meters per second. Any observation from one to the other is impossible.”
Others have gone on record as stating that there is nothing particularly telling or alarming about the OTV missions, and that they are likely just the result of the USAF wanting to attempting to test the full capabilities of this new spacecraft. As Joan Johnson-Freese, a professor of national security affairs at the U.S. Naval War College in Newport, Rhode Island, recently told Space.com:
“While no more specifics have been offered about the X-37B by the Air Force since it began flying the orbital technology test bed in 2010, the overall mission seems clear: Lengthy missions allow time for seeing what such a vehicle has to offer in terms of capabilities. The military likes to have lots of arrows in its quiver.”
Nevertheless, the possibility that the X37B supports space-based espionage efforts remains a popular idea. For instance, Brian Weeden – a former air force officer and current technical adviser to the Secure World Foundation – has stated that he thinks the X-37B’s mission is to test reconnaissance and spy sensors, particularly how they hold up against radiation and other hazards of orbit.
The possibility of it being used to capture satellites is also an enduring one. In 2014, Alan Hulas of Guardian stated, “The mystery of the plane centers around the purpose of an interior cavity,” he wrote, “about the size of a truck bed and much too cozy for a human to live in for 674 days, the duration of its latest mission. The main theories suggest that the plane carries sensors and spy equipment, satellites or even weaponry.”
Whatever the true purpose, the reactions towards the X-37B and the levels of secrecy surrounding it are not atypical. Whenever the issue of militarizing space emerges, it triggers fears about the prospect of a “space-weapons race”. And since the Outer Space Treaty placed no bans on stationing conventional weapons in orbit, nor the stationing of spy satellites therein, there are no legal barriers to doing this.
Could the 21st century be a time where the US, Russia, China, and other major space players enter onto an arms race in space? Only time will tell. In the meantime, it might not be a bad idea to update the terms of the Outer Space Treaty and include some articles about secret spy spaceplanes!
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The X-37B, a reusable Air Force space plane launched today, May 20, from Cape Canaveral, Florida, on its fourth mission steeped in mystery as to its true goals for the U.S . military and was accompanied by ten tiny cubesat experiments for NASA and the NRO, including a solar sailing demonstration test for The Planetary […]
All systems are currently “GO” for the fourth launch of the US Air Force’s secretive unmanned, X-37B military space plane this Wednesday, May 20, on a flight combining both US national security experimental payloads as well as civilian science experiments sponsored by NASA, US Universities, commercial companies, and the solar sailing LightSail from the Planetary […]