As an Army Major, you will need to master following:

• manage troop deployment

More generally, an army major is also versed in:

• advise superiors on military operations
• give battle commands
• maintain operational communications
• military code
• military combat techniques
• military drill
• military weaponry
• monitor military equipment use
• train military troops

It also helps to know the following:

• assist in military logistics
• geographic information systems
• manage administrative systems
• use geographic information systems
• coordinate humanitarian aid missions
• coordinate patrols
• coordinate rescue missions
• devise military tactics
• ensure compliance with types of weapons
• ensure equipment availability
• ensure information security
• lead military troops
• manage staff
• military logistics
• perform military operations
• surveillance methods
• test safety strategies
• write situation reports