Although one could get away with saying 'aboard' to mean 'getting on a
ship' ('I climbed aboard the ...') it's probably better to say 'board'
as the verbal form especially in the way it was and is worded (now 'You
board ...'). I believe I already did this change in 1990/dds/LANDER.BAS.
We we move 1988-2004 entries from all of a year's winning entries
in a single directory to each winner being in their own sub-directory
under the given year directory.