match these, please?

1. DSRV-1

2.TOPEX/Poseidon

3.Sealab I

4.Alvin

5.Sealab II

6.Nautilus

7.Trieste

1. a bathyscaph


2. a submergence rescue vehicle

3. a research submarine

4. a nuclear submarine

5. habitat 192 feet under the sea

6. habitat 205 feet under the sea

7. satellite sent to measure sea levels
Trieste