TOP-10-2-512 - TOP-10-2-512, TEST OPERATIONS PROCEDURE: COLD REGIONS - ENVIRONMENTAL TESTING OF INDIVIDUAL SOLDIER EQUIPMENT (17-OCT-2011) [SUPERSEDING TOP 10-2-509, DTD 05-MAY-1980; TOP 10-4-005, DTD 26-NOV-1969; TOP 10-4-007, DTD 10-JUL-1969; TOP 10-4-008, DTD 16