NavyLeave.com -- Navy Leave/Special Request Chits and Leave Guidance

Can you Combine Leave and Liberty?

This is one of the most common questions we get. Unfortunately combining leave and liberty are not
allowed. For example if a sailor wanted to take liberty on Monday off after a weekend, that sailor would
need to put in a leave chit for the entire weekend (Saturday through Monday).

However, many commands will allow a sailor to "check out" on leave Sunday night (via a phone call)
and then return to work Tuesday morning. The best place to find out your commands specific policy  is
through your Chief or Admin department.

The
MILPERSMAN section 1050 explains leave, while MILPERS 1050-290.3.b specifically discusses
combining leave and liberty.
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Leave.com