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1. Jim Ryder and John Kemp (l to r) from WHOI's Mooring Operations, Engineering & Field Support Group work from the fantail of R/V Knorr to recover a surface mooring that was part of AST2. (Photo by Ken Kostel, Woods Hole Oceanographic Institution)

2. The SeaCycler, developed and built by the Bedford Institute of Oceanography, comes aboard R/V Knorr on April 11, 2012, during the At Sea Test 2 recovery cruise after a 6-month deployment. (Photo by Ken Kostel, Woods Hole Oceanographic Institution)

3. Members of the WHOI Mooring Operations, Engineering & Field Support Group recover mooring flotation. (Photo by Ken Kostel, Woods Hole Oceanographic Institution)

4. Jim Ryder (foreground) and Knorr bosun Pete Liarikos recover glass flotation spheres in yellow plastic “hard hats” during the AST2 recovery cruise. (Photo by Ken Kostel, Woods Hole Oceanographic Institution)

5. Science crew on the AST2 recovery cruise evaluate the performance mooring elements after a 6-month deployment. (Photo by Ken Kostel, Woods Hole Oceanographic Institution)

6. A prototype benthic acoustic release frame (BARF) is recovered to the fantail of R/V Knorr. The BARF houses the anchor for a surface mooring and provides a frame to which instrumentation can be attached. The hollow tubes provide buoyancy so that the entire assembly can be recovered from the seafloor. (Photo by Ken Kostel, Woods Hole Oceanographic Institution)

7. WHOI’s Bob Weller (left), principal investigator for the OOI Coastal and Global Scale Nodes, observes while members of the Mooring Operations, Engineering & Field Support Group open a surface buoy for inspection. (Photo by Ken Kostel, Woods Hole Oceanographic Institution)

8. A crowded Knorr deck during the trip back to Woods Hole after the successful completion of the AST2 recovery cruise. (Photo by Ken Kostel, Woods Hole Oceanographic Institution)