New mission crew members are selected through a competitive search, using application questionnaires, personal interviews and any supplemental information included by the applicant. From the list of interviewed candidates, individuals are selected to fill mission crew vacancies. The complete mission's crew complement includes the crew commander , operations coordinator , assistant crew commander , science chief , dive chief and medical officer .

CREW COMMANDER: The crew commander will provide the main point of contact between the mission crew and topside for communication and task coordination. He or she is not only responsible for his or her own assigned duties, but also for the assigned duties, safety, and training of the mission crew members. His or her duties include:

• Communicating and coordinating each day's tasks and discussion of all problem areas with the Operations Coordinator.
• Communicating and coordinating all special research needs of the mission crew with the Principal Investigator and Chief Scientist.
• Taking appropriate steps to solve all problem areas and proceed with operations.
• Reviewing logs and maintenance checklists.
• Assuring the upkeep of standard logging procedures.
• Addressing system maintenance problems as they arise.
• Acquiring a working knowledge of all habitat systems.
• Supervising all mission crew, especially in matters that could potentially interfere with personal safety or mission objectives.
• Possessing a working knowledge of emergency procedures and training crew in this area.
• Possessing a working knowledge of diving accident management and first aid.
• Acquiring familiarity with the habitat first aid kit and first aid oxygen breathing system.

OPERATIONS COORDINATOR: (Topside Assignment) The operations coordinator has the overall responsibility of assuring that all daily operational tasks are accomplished. He or she is not only responsible for his or her own assigned duties, but also for the assigned duties and training of assistant watch personnel. His or her duties include:

• Communicating and coordinating each day's tasks and discussion of all problem areas with the crew commander.
• Communicating and coordinating all special research needs of the mission crew with the Principal Investigator and Chief Scientist.
• Taking appropriate steps to solve all problem areas and proceed with operations.
• Reviewing logs and maintenance checklists.
• Assuring the upkeep of standard logging procedures.
• Addressing the restocking and maintenance of consumable supplies and equipment.
• Acquiring a working knowledge of all habitat systems.
• Operating equipment in support van.
• Supervising all non-mission personnel, especially other divers, who could potentially interfere with crew safety or mission objectives.
• Possessing a working knowledge of emergency procedures.
• Possessing a working knowledge of diving accident management and first aid.
• Acquiring familiarity with the on-site first aid kit and first aid oxygen breathing system.

The operations coordinator will stand a watch duty and must strictly adhere to all procedures without deviation. He or she is to report directly to the Operations Director and Principal Investigator. Watch duties include:

• Acquiring familiarity with habitat and support systems.
• Establishing and maintaining an updated system of emergency contacts, (telephone nubmers, etc.), in the event a problem arises which is beyond the scope of his or her training or in the need of assistance.

ASSISTANT CREW COMMANDER: The assistant crew commander will act as back-up in the event thae crew commander is incapacitated. He or she may also actively assist the crew commander and/or science chief at the commander's request. These special duties include:

• Acquiring a general familiarity with the responsibilities and duties of the crew commander.
• Acquiring a working knowledge of all habitat systems.
• Possessing a working knowledge of emergency procedures and training crew in this area.
• Possessing a working knowledge of diving accident management and first aid.
• Acquiring familiarity with the habitat first aid kit and first aid oxygen breathing system.

SCIENCE CHIEF: The science chief has the overall responsibility of assuring that the science mission objectives are accomplished. His or her duties include:

• Communicating each day's tasks and dissusion of all problem areas with the crew commander and operation coordinator.
• Coordinating and communicating (on technical matters) specific tasks and problem areas with the crew commander.
• Taking appropriate steps to solve all problem areas and proceed with science operations.
• Supervising all mission science crew, especially in matters that could potentially interfere with personal safety or science mission objectives.
• Supervising and training science crew members.

DIVE CHIEF: The dive chief has the overall responsibility of assuring the proper recording in logs and notification of topside watch personnel of diving activities. Ultimately the dive chief is responsible for maintaining the safe diving practices of the mission crew. His or her duties include:

• Communicating each day's diving activities and objectives with the crew commander and operation coordinator.
• Coordinating and communicating diving activities with the topside watch personnel.
• Reviewing and maintaining mission dive activity logs and checklists.
• Communicating and discussing all problem areas with the crew commander, operations coordinator and director of operations.
• Taking appropriate steps to solve all problem areas such that safe diving operations may proceed.
• Supervising all mission crew, especially in matters that could potentially interfere with personal safety or mission objectives.
• Supervising and checking the set-up, breakdown and stowing of diving equipment in the preparation or completion of diving activities.

The dive chief will act as back-up in the event the medical officer is incapacitated. He or she may also actively assist the medical officer at the officer's request. These special duties include:

• Acquiring a general familiarity with the responsibilites and duties of the medical officer.
• Possessing a working knowledge of diving accident management and first aid.
• Acquiring familiarity with the habitat first aid kit and first aid oxygen breathing system.

MEDICAL OFFICER: The medical officer has the overall responsibility of assuring the proper recording in logs and notification of topside watch personnel of mission's crew medical conditions. The medical officer is responsible for maintaining a safe environment for the mission crew. His or her duties include:

• Communicating each crew's physical, physiological and psychological fitness with the crew commander and operation coordinator.
• Coordinating and collecting each crew's vital signs (HR, BP, and levels of consciousness) upon awakening, preceding and following diving activities, and three additional times at 1200, 1800 and 2200.
• Reviewing and maintaining mission medical logs and checklists.
• Communicating and discussing all problem areas with the crew commander, operations coordinator, director of operations and principal investigator.
• Taking appropriate steps to solve all problem areas such that a safe living environment is maintained.
• Supervising all mission crew, especially in matters that could potentially interfere with personal safety or health.
• Possessing a working knowledge of emergency procedures and training crew in this area.
• Possessing a working knowledge of diving accident management and first aid.
• Acquiring familiarity with the habitat first aid kit and first aid oxygen breathing system.

The medical officer will act as back-up in the event the dive chief is incapacitated. He or she may also actively assist the dive chief at the chief's request. These special duties include:

• Acquiring a general familiarity with the responsibilites and duties of the dive chief.
• Possessing a working knowledge of emergency procedures and training crew in this area.