| 1 | A | B | C | D | E | F | G |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2 | Project 21900 icebreaker - List of project 21900/21900M icebreakers |  |  |  |  |  |  |
| 3 | Name | Project | Builder | IMO number | Commissioned | Home port | Status |
| 4 | Moskva (ru) | 21900 | Baltic Shipyard, Saint Petersburg, Russia | 9326574 | 2008 | Saint Petersburg | In service |
| 5 | Sankt-Peterburg (ru) | 21900 | Baltic Shipyard, Saint Petersburg, Russia | 9326586 | 2009 | Saint Petersburg | In service |
| 6 | Vladivostok (ru) | 21900M | Vyborg Shipyard, Vyborg, Russia | 9658654 | 2015 | Saint Petersburg | In service |
| 7 | Murmansk | 21900M | Arctech Helsinki Shipyard, Helsinki, Finland | 9658666 | 2015 | Murmansk | In service |
| 8 | Novorossiysk | 21900M | Vyborg Shipyard, Vyborg, Russia | 9692571 | 2016 | Murmansk | In service |

Question: When did Vladivostok, Murmansk, and Novorossiysk enter service?
Answer: Vladivostok and Murmansk entered service in 2015, and the last one (Novorossiysk) in 2016.