so as to be substantially parallel to the y axis first meh rail 108 is positioned on a first side of submersible craft 100 and second meh rail 110 is positioned on a second side of submersible craft 100 in one embodiment first meh rail 108 is positioned substantially opposite second meh rail 110 first meh rail 108 and second meh rail 110 may be removably connected to a first and second end of meh 104 respectively for example through the use of bolts screws rivets pins straps cam locks and keyhole slots in another embodiment first meh rail 108 and second meh rail 110 are integrally connected to a first and second end of meh 104 respectively first meh rail 108 and second meh rail 110 may comprise at least one of a metal a polymer and a composite material first meh frame rail 116 and second meh frame rail 118 may be removably connected to submersible craft 100 and or frame 102 for example through the use of bolts screws rivets pins straps cam locks and keyhole slots in another embodiment first meh frame rail 116 and second meh frame rail 118 are integrally connected to frame 102 first meh frame rail 116 and second meh frame rail 118 may comprise at least one of a metal a polymer and a composite material in one embodiment first meh frame rail 116 and second meh frame rail 118 are substantially vertically positioned within submersible craft 100 so as to be substantially aligned with the y axis in one embodiment first meh rail 108 and second meh rail 110 are slidably connected.