This page contains the names and registrations of the Scientific Studies Service (SSS) ships of the Tansaku-class Science Vessel class. With the exception of the first five vessels, the names for the remaining were decided by the students and faculty of the SSS by vote. Names had to represent aspects of science, exploration, or significant figures.
| Registration Number | Ship's Name | Model | Status | Definition |
|---|---|---|---|---|
| YX-C1-0001 | YSS Tansaku | 1B | Deployed | Class ship, Tansaku means Search |
| YX-C1-0002 | YSS Tankyuu | 1B | Deployed | Tankyuu means Research |
| YX-C1-0003 | YSS Saiensu | 1B | Deployed | Saiensu means Science |
| YX-C1-0004 | YSS Kagaku | 1B | Deployed | Kagaku means Chemistry |
| YX-C1-0005 | YSS Kotoba | 1B | Deployed | Kotoba means Language |
| YX-C1-0006 | YSS Meikyuu | 1B | Deployed | Meikyuu means Mystery |
| YX-C1-0007 | YSS Searcher | 1B | Deployed | |
| YX-C1-0008 | YSS Discovery | 1B | Deployed | |
| YX-C1-0009 | YSS Yurai | 1B | Deployed | Yurai means history, origin |
| YX-C1-0010 | YSS Gosei | 1B | Deployed | Gosei means understanding |
| YX-C1-0011 | YSS Botany | 1B | Deployed | |
| YX-C1-0012 | YSS Genus | 1B | Deployed | |
| YX-C1-0013 | YSS Evolution | 1B | Deployed | |
| YX-C1-0014 | YSS Nebula | 1B | Deployed | |
| YX-C1-0015 | YSS Quasar | 1B | Deployed | |
| YX-C1-0016 | YSS Nimbus | 1B | Deployed | |
| YX-C1-0018 | YSS Geology | 1B | Deployed | |
| YX-C1-0019 | YSS Theory | 1B | Deployed | |
| YX-C1-0020 | YSS Kannen | 1B | Deployed | Kannen means idea |
| YX-C1-0021 | YSS Tetsugaku | 1B | Deployed | Tetsugaku means philosophy |
| YX-C1-0022 | YSS Stellar | 1B | Deployed | |
| YX-C1-0023 | YSS Hanako | 1B | Deployed | Named after the explorer Hanako |
| YX-C1-0024 | YSS Empress | 1B | Deployed | Originally named after the Empress |
| YX-C1-0025 | YSS Saiki | 1B | Deployed | Named after the Shuji of SSS, Saiki Kouan † |
| YX-C1-0026 | YSS Tensai | 1B | Daichi | Tensai means horizon |
| YX-C1-0027 | YSS Genshō | 1B | YSS Tsuuken | Genshō means phenomenon |
† This vessel name was chosen by the students and teachers at the SSS Campus, despite Saiki Kouan's objection.
