A military deferment means that a person serving in the military can delay certain obligations, such as attending college, paying back loans, or participating in certain activities, until they have completed their military service. Full definition
If you're worried about student loan interest, there are military deferment programs available. (usstudentloancenter.org)
If your governor has activated you as a member of the National Guard, but you're not currently eligible for military deferment and have Direct or FFEL Loans (studentloanhero.com)
You may also be eligible for other benefits available to servicemembers, such as military deferment and Income - Based Repayment. (consumerfinance.gov)