NBA military appreciation initiative, and a hint to this puzzle's theme

Question:

Answer:

HOOPSFORTROOPS

Length:

Similar Crossword Questions:

Rebelliously, perhaps (and a hint to this puzzle's four theme answers)
Sphere, and a hint to this puzzle's theme
Afternoons, briefly (and hint to this puzzle's theme)
How long it takes to get something back (and a hint to this puzzle's theme)
Saying about power (and a hint to this puzzle's theme)
Nickname for a team from Miami, and an aural hint to the theme of this puzzle
Partially obscured (and a hint to this puzzle's theme)
Internet letters, and a hint to this puzzle's theme
Attendance check, and a hint to the puzzle theme in the first words of the starred answers
Ubiquitous arcade game message, or a hint to this puzzle's theme
"Finger lickin' good" sloganeer, and a hint to this puzzle's theme
Automotive part ... and a hint to this puzzle's theme
Audi rival, and, when spoken as a command, a hint to this puzzle's theme
"Lead the way!", and a phonetic hint to this puzzle's theme
Mars mouthful; also, a hint to this puzzle's theme
Garbo line from "Grand Hotel" (and a hint to this puzzle's theme)
Question that follows "O Brother" in film ... and a hint to this puzzle's theme
"Gross!" (and a hint to this puzzle's theme)
1997 Kevin Kline film, and a hint to the puzzle theme hidden in four answers
Antelope with spiraled horns (and a hint to this puzzle's theme)
1987 Costner film, and a hint to this puzzle's theme
2008 Jodi Picoult novel ... or a hint to the puzzle theme
1961 #1 hit for Dion, and a literal hint to this puzzle's hidden theme
Hip-hop mogul, and a hint to this puzzle's theme
Tyro, and a hint to this puzzle's theme