Unmanned has 2 syllables and the stress is on the second syllable.
| # | Sentence | |
|---|---|---|
| 1. | Following the docking failure of an unmanned Russian freighter to the International Space Station, its partners are considering a temporary mothballing of the station. | |
| 2. | On May 14, 1973, a two-staged Saturn V rocket propelled the 90 metric ton unmanned Skylab space station into an orbit above Earth. | |
| 3. | India's ambitious mission to land an unmanned probe on the moon suffered a setback when its space agency lost contact with the landing craft minutes before it was to make a critical touchdown on the lunar surface. | |
| 4. | The International Space Station received several tons of supplies this week from an unmanned craft. | |
| 5. | The former Soviet Union used unmanned probes to take 301 grams of moon soil samples between 1970 and 1976. |