0 8 2 0 9 ) ▁surv ive ▁and ▁are ▁in ▁use ▁at ▁the ▁Mer se ys ide ▁Emer gency ▁Services ▁Training ▁Centre , ▁Sea com be . ▁▁ ▁D MS O ▁carriage ▁ 6 4 6 6 4 ▁and ▁B D MS O ▁carriage ▁ 6 4 7 0 7 ▁( ex . ▁ 5 0 8 2 0 7 ) ▁are ▁in ▁use ▁as ▁transl ator ▁vehicles . ▁ ▁All ▁of ▁the ▁ 5 0 8 / 3 ▁units ▁were ▁scra pped ▁at ▁East le igh ▁in ▁ 2 0 1 3 . ▁ ▁Network ▁Rail ' s ▁Route ▁Util isation ▁Str ategy ▁for ▁Mer se ys ide ▁has ▁called ▁for ▁an ▁expansion ▁to ▁Mer sey ra il ' s ▁current ▁fleet ▁to ▁allow ▁for ▁both ▁additional ▁services ▁and ▁length ening ▁of ▁trains ▁to ▁six ▁cars . ▁In ▁December ▁ 2 0 0 9 ▁it ▁was ▁reported ▁by ▁various ▁sources ▁that ▁the ▁former ▁S out he astern ▁and ▁London ▁Over ground ▁units ▁would ▁be ▁transferred ▁to ▁Mer sey ra il . ▁Two ▁ex - Lond on - Over ground ▁units ▁were ▁moved ▁to ▁W arr ington ▁Ar ple y ▁Y ard ▁in ▁November ▁ 2 0 0 9 , ▁but ▁returned ▁south ▁soon ▁after . ▁Meanwhile , ▁the ▁ex ▁S out he astern ▁ 5 0 8 s ▁were ▁moved ▁to ▁T elf ord ▁Rail fre ight ▁Terminal ▁for ▁storage ▁between ▁May ▁ 2 0 1 0 ▁and ▁February ▁ 2 0 1 1 ▁ ▁before ▁they ▁moved ▁to ▁East le