File:US Navy 080822-N-4044H-006 Chief Electrician's Mate Russell Lincoln informs ship's company of on coming ships while Quartermaster Seaman Apprentice Derek Evoy looks through a telescopic alidade.jpg - Wikimedia Commons
Third mate - Wikipedia
File:US Navy 050702-N-4309A-091 Gunner's Mate 2nd Class Elizabeth Campos, assigned to Mobile Security Detachment Two Five (MSD-25), helps Ship's Serviceman 1st Class Mona Binon.jpg - Wikimedia Commons
Ship Mate: What Is It? and How to Become One? | Ziprecruiter
Costa Concordia capt. said 'I messed up' when ship ran aground: first mate
How to be a valuable first mate - Yachting World
Ships mate hi-res stock photography and images - Alamy
File:US Navy 040514-N-8937A-053 Gunner's Mate 3rd Class Joshua Naterman discusses the ship's firepower to a Japanese civilian who participated in a recent Tiger Cruise.jpg - Wikimedia Commons