Subject matches "HOV Alvin - Alvin upgrade vehicle - DSV-2" or its children

New Alvin battery is lowered into hold on Atlantis for a test fit.

New Alvin frame in position for loading onto R/V Atlantis.

Doug Mendes and Brian Pepin ballast sphere with phosphorescent dye.

Jefferson Grau inspects viewport window for inconsistencies.

Artist rendition of the newly upgraded HOV Alvin.

HOV alvin operating underwater during sea trials.

HOV alvin operating underwater during sea trials.

Full aft view of R/V Atlantis deploying HOV Alvin.

Jefferson Grau peering out from an Alvin viewport window.

Alvin pilot Mike Skowronski throws a sea anchor to Patrick Neumann.

Patrick Neumann underwater holding HOV Alvin's manipulator arm.

Patrick Neumann on Alvin preparing for recovery to Atlantis.

Alvin is lifted up out of the water by Atlantis a-frame during recovery operations.

HOV Alvin undergoing water tests while attached to the stern of Atlantis.

HOV Alvin suspended from A-frame during sea trials.

Nathan Brown cleaning the viewport windows on Alvin prior to a dive.

Bob Waters and Don Nuzzio discussing Alvin preparations.

Alvin being lifted out of the water by the Atlantis a-frame after certification dive.

Crane lifting HOV Alvin off R/V Atlantis at the WHOI dock.