Crossword Puzzle Sharpshooters' needs

Clue: Sharpshooters' needs

39th president of the United States (JIMMYCARTER with 11 letters)
Do a scathing impersonation of the 39th president? (MINCECARTER with 11 letters)
Sharpshooters (e.g. DEADEYES with 8 letters)
39th of 50 (NORTHDAKOTA with 11 letters)
It equals 0.3937 inch (CENTIMETER with 10 letters)
Hidden sharpshooters (SNIPERS with 7 letters)
Super Bowl to be played in the year 3968, at the current rate (MMII with 4 letters)
Alma mater of the 39th Pres. (USNA with 4 letters)
39th VP (AGNEW with 5 letters)
39th vice president (AGNEW with 5 letters)