E-4s are generally called Senior Airmen (Air Force and Space Force), Corporals or Specialists (Army), Corporals (Marines), and Petty Officers Third Class (Coast Guard or Navy). They’ve got six years of experience and earn about $2,829 per month.
E-5 servicepeople have a long journey to be where they are, so they earn more. They’re called Sergeants (Army), Petty Officers Second Class (Navy or Coast Guard), and Staff Sergeants (Air Force or Space Force). Since they’ve got 12 years in service, they earn $2,541 to $3,606 per month.