The {\tt Memory} ship represents an interface to a storage space,
which can be used to read from it or write to it. This storage space
-might be a fast on-chip cache, off chip DRAM, or even a disk drive.
+might be a fast on-chip cache, off chip DRAM, or perhaps even a disk drive.
There may be multiple {\tt Memory} ships which interface to the same
physical storage space. An implementation of Fleet must provide