{1}. ##LOC[OK]## ##LOC[Cancel]##. Air OptixÂ® Night & DayÂ® Aqua contact lenses, manufactured by AlconÂ® in this 6 pack format, are safe and FDA-approved for wear 24 hours a day for up to 30 days.
1 muster (military), a process or event for the accounting for members in a military unit. 2  a mustering, in military terminology, is a specialised formation, similar to an administrative corps.  Bill Muster (1926-1989), photographer, publisher, and marketing executive in Los Angeles.
A military service number of the Regular Army. Service numbers were used by the United States Army from 1918 until 1969. Prior to this time, the Army relied on muster rolls as a means of indexing enlisted service members while officers were usually listed on yearly rolls maintained by the United States War Department.