Answer:

march

Answer	Crossword Clue
MARCH	"Semper Fidelis," for one
MARCH	Follow a majorette?
MARCH	Boot camp order

MARCH	Protest movement?
MARCH	Women's History month
MARCH	Drillmaster's command
MARCH	Troop movement
MARCH	Drillmaster's order
MARCH	It was originally first on the Roman calendar
MARCH	When spring begins
MARCH	Orderly movement

MARCH	"The Stars and Stripes Forever," for example
MARCH	Commonwealth Day month
MARCH	Troop movement?
MARCH	"The Washington Post" or "Seventy-Six Trombones"
MARCH	Women's History Month
MARCH	Drill instructor's order
MARCH	"Selma" feature
MARCH	Parade pace

MARCH	Time that "went out like a lion," in song
MARCH	Lion-lamb time
MARCH	Equinox month
MARCH	Sousa specialty
MARCH	Vernal equinox month
MARCH	Drill command
MARCH	Goose-step, perhaps
MARCH	February follower

MARCH	Protest activity
MARCH	Sergeant's command
MARCH	Protest option
MARCH	Take a hike
MARCH	Fredric of Hollywood
MARCH	Sit-in alternative
MARCH	Star of "Dr. Jekyll and Mr. Hyde" and "The Best Years of Our Lives"
MARCH	Army Chief of Staff, 1918-21.

MARCH	Major Joppolo.
MARCH	River between Slovakia and Austria, Danube tributary.
MARCH	Noted film star.
MARCH	"Stars and Stripes Forever," for instance.
MARCH	"Semper Fidelis," for instance.