Answers - Submarine Mystery Questions - 7/27/2010

Pictures underlying questions in original posting here.
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1) Identify item #1 pictured above [see original posting] (must be nomenclature specific). The British-designed SEIE MK-10 (Submarine Escape Immersion Equipment) combines a whole-body anti-hypothermia suit with a one-man, gas-inflated, single-seat life raft (pictured) to replace the Steinke Hood and increase potential escape depths from 350 feet to 600. In 2000 the USS TOLEDO was the first US sub to have the fully operational and certified British escape system.

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2) Identify item #2 pictured above [see original posting] (must be nomenclature specific). The Deep Submergence Vessel NR-1, casually known as Nerwin, was never officially named or commissioned. NR-1, which by some reports operated furtively at depths in excess of 2,300 feet, has been out of service since 21 November 2008.

3) Name four characteristics the pictured items have in common.
+ Both are shown at and capable of floatation
++ Both are International Orange, and
+++ Both are Marine Black
++++ Both are pictured with individual personal safety devices
(MK-10 suit and life vests)
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Submarines are always silent and strange.