Despite the popularity of steel beach picnics with the surface fleet, they never caught on with the sub fleet.
Winning caption by EM1 Matt Selter
Honorable mentions:
There is nothing like submarine duty in Hawaii. (submitted by KirkBenson)
Identify the cross-decked aviator in this picture. (submitted by velomaster)
When tech reps ride submarines (submitted by Frank Grandau)
Man I miss the Russians. (submitted by jdwest1)
