Conversation so far:
How long was Edwards with the Lions?
signed two-year contracts.
Did he win much when he was with them?
Edwards's stint as the Lions coach was unsuccessful.
What year did he start with them?
Edwards ultimately was hired in February 1941.
Did he go right from the lions to the browns?
CANNOTANSWER.
How long was he with the browns?
Edwards took a position as a tackle coach and remained with the team for two seasons.
What about his military service was he in a war?
Edwards enlisted in the U.S.
Navy later in 1942 as America's involvement in the war intensified.

Question: How long was he in the military?
Self-contained rewrite: How long was Bill Edwards in the military?