Corrected entry: When Sgt. Carter calls sick bay to check confirm that Gomer is to remain in bed, the nurse says that he has been examined by Lt. Ames. The doctor who examined Gomer was wearing Captain's bars.
Correction: Navy Lieutenants are the same rank as Marine Corps Captains. His uniform is correct.
Correction: The Marine Corps uses Navy doctors. His Navy rank is lieutenant thus the 2 bars.