▁by ▁golden ▁sle e ve ▁stri ps ▁for ▁naval ▁officers , ▁adm ir alty ▁officers , ▁and ▁naval ▁engine ers , ▁as ▁well ▁as ▁– ▁after ▁completion ▁of ▁mand atory ▁exam in ations ▁– ▁pra por sh ch iks ▁and ▁officers ▁of ▁the ▁hydro graph ical ▁service . Sil ver ▁sle e ve ▁stri ps ''' ▁were ▁introduced ▁to ▁officers ▁of ▁the ▁adm ir alty ▁staff , ▁before ▁completion ▁of ▁mand atory ▁exam in ations , ▁as ▁well ▁to ▁ship ▁engine ers , ▁officials ▁of ▁the ▁naval ▁administration ▁and ▁naval ▁phys icians ▁with ▁officer ▁rank ▁or ▁status . ▁ ▁Both ▁cu ff ▁ins ign ias ▁were ▁used ▁in ▁uniform s ▁with ▁the ▁executive ▁curl . ▁ ▁As ▁disc rim ination ▁criteria ▁to ▁specific ▁appoint ments ▁or ▁assign ments ▁additional ▁corps ▁colours ▁on ▁the ▁lower ▁part ▁of ▁sle e ve ▁stri pes ▁was ▁determin ate : ▁red ▁= ▁ship ▁engine ers ; ▁r asp berry ▁col oured ▁= ▁naval ▁administration ; ▁dark ▁blue ▁= ▁hydro graph ical ▁service ; ▁white ▁= ▁phys icians ▁ ▁The ▁table ▁below ▁shows ▁examples ▁of ▁rank ▁ins ign ia ▁of ▁the ▁Russian ▁Navy , ▁to ▁be ▁worn ▁on ▁the ▁lower ▁part ▁of ▁uniform ▁cu ff s , ▁as ▁to ▁the ▁order ▁№ ▁ 1 2 5 ▁of ▁the ▁Russian ▁Navy ▁Ministry ▁from ▁April ▁ 1 6 , ▁ 1 9 1 7 . ▁ ▁See ▁also ▁▁ ▁History ▁of ▁Russian ▁military ▁ranks ▁ ▁R anks ▁and ▁ins ign ia ▁of ▁the ▁Red ▁Army ▁and ▁Navy ▁ 1 9 1