No, it might help. but it is not required,
Addendum to above answer:
The recommender of a valor award does not need to be an officer, although typically it is the first line supervisor who puts the soldier in (most likely an NCO). Valor awards require investigation before awards are given, typically involving sworn statements as to the actions of the individual. The higher the valor award, the stricter the investigation usually becomes.
That is the correct spelling of "valiant" (bold, brave).
Jimmy Valiant is 6' 2".
Johnny Valiant is 6' 1".
Michael Valiant is 5' 9".
Plymouth Valiant was created in 1960.
Plymouth Valiant ended in 1976.
Sword of the Valiant was created in 1984.
Valiant Comics was created in 1990.
Valiant Records ended in 1967.
Valiant Records was created in 1960.
Conan the Valiant was created in 1988.
James Valiant died in 1917.