Previous Technology Demonstration Projects
![](https://www.nasa.gov/wp-content/uploads/2023/02/lcrd_1920x1080.webp?w=1024)
Laser Communications Relay Demonstration (LCRD)
![This illustration shows NASA’s Deep Space Atomic Clock technology demonstration and the General Atomics Orbital Test Bed spacecraft that hosts it.](https://www.nasa.gov/wp-content/uploads/2021/10/1_dsac-satellite.jpg?w=1024)
Deep Space Atomic Clock (DSAC)
![Green Propellant Infusion Mission above the earth.](https://www.nasa.gov/wp-content/uploads/2016/12/stmd_2016_year_ender_3_gpim.jpg?w=1013)
Green Propellant Infusion Mission (GPIM)
![Illustration of OSAM-2 (On-Orbit Servicing, Manufacturing and Assembly).](https://www.nasa.gov/wp-content/uploads/2023/01/osam-2-1_redwire.jpg?w=1024)
On-Orbit Servicing, Manufacturing and Assembly 2
![Robotic Refueling Mission 3’s Multi-Function Tool 2](https://www.nasa.gov/wp-content/uploads/2020/04/rrm3_0.jpg?w=1024)
Robotic Refueling Mission 3 (RRM3)
![](https://www.nasa.gov/wp-content/uploads/2023/05/pia24265-edl-milestones-unannotated.png?w=1024)
Terrain Relative Navigation (TRN)
![Mission Success for MSL Entry, Descent, & Landing Instrument (MEDLI)](https://www.nasa.gov/wp-content/uploads/2016/09/674590main_medli_success2_lg.jpg?w=1024)
Mars Science Laboratory Entry, Descent and Landing Instrumentation (MEDLI)
![Autonomous Landing Hazard Avoidance Technology (ALHAT)](https://www.nasa.gov/wp-content/uploads/2016/09/716162main_alhat-uh1h-800x533-1.jpg?w=800)
Autonomous Landing Hazard Avoidance Technology (ALHAT)
![NASA engineers are celebrating National Manufacturing Day by building some of the largest composite rocket parts ever made.](https://www.nasa.gov/wp-content/uploads/2023/05/msfc-1501219.jpg?w=1024)
Composites for Exploration Upper Stage (CEUS)
![](https://www.nasa.gov/wp-content/uploads/2023/05/jsc2010e090735.jpg?w=1024)
Human Exploration Telerobotics
![NASA's Low-Density Supersonic Decelerator](https://www.nasa.gov/wp-content/uploads/2023/04/la-sci-sn-nasa-flying-saucer-ldsd-preview-20140626.jpg?w=1024)
Low-Density Supersonic Decelerators (LDSD)
![MISSE](https://www.nasa.gov/wp-content/uploads/2016/09/69866main_misse1.jpg?w=580)
Materials International Space Station Experiment-X (MISSE-X)
![An artist's concept of a solar sail in Earth orbit.](https://www.nasa.gov/wp-content/uploads/2016/09/475897main_080421-earthsail_3023x2006.jpg?w=620)
Solar Sail Demonstration
![Low-Orbit Flight Test of an Inflatable Decelerator (LOFTID) on a ship deck after reentry after the demo on November 10, 2022.](https://www.nasa.gov/wp-content/uploads/2023/05/loftid-reentry-vehicle-recovered-on-ship-deck-after-demo-on-nov-10-2022.png?w=985)
Low-Orbit Flight Test of an Inflatable Decelerator (LOFTID)
![Members of NASA’s Mars 2020 project install the Mars Oxygen In-Situ Resource Utilization Experiment](https://www.nasa.gov/wp-content/uploads/2018/06/pia23154-16.jpg?w=1024)