The remaining orbiters that NASA refers to are the Mars Reconnaissance Orbiter (MRO) and Mars Odyssey.
The White House budget proposal suggests canceling NASA missions including ExoMars, New Horizons, Juno, Mars Odyssey, and MAVEN.
The budget requests to cancel active Mars telecommunications orbiters like MAVEN and Mars Odyssey.
NASA has relied on orbiters launched primarily for science missions to serve as relays, including Mars Odyssey (launched in 2001) and MAVEN (launched in 2013).
The CJS spending bill provides $11,000,000 for continued operations of the Mars Odyssey spacecraft.
Mars Odyssey is a Mars orbiter mission that was launched in 2001.
Mars Odyssey's instruments are operating well and a proposed three-year extended mission would create a baseline of Mars observations extending for more than 20 years.
Mars Odyssey received $11,500,000 in fiscal year 2019.
NASA’s fiscal year 2021 budget proposal included plans to end operations of the Mars Odyssey orbiter, which also serves as a communications relay for the InSight lander and the Curiosity rover.
The fiscal year 2021 budget request would effectively end operations of the Mars Odyssey orbiter, which was launched in 2001.