US Navy 070808-N-6278K-249 Hospital Corpsman 2nd Class Mark Andrews, an optician attached to the Military Sealift Command (MSC) hospital ship USNS Comfort (T-AH 20), instructs a patient how to read an eye test chart photo about 2 years 0 Chart cover doorway photo over 3 years 0 Sickbay eye chart eye photo over 3 years 0