MAV

noun2

1. •
   Initialism of Mars ascent vehicle.

   • The MAV (Mars Ascent Vehicle) could tip over and they’d be stranded. Mark, now inside the Hab (the Mars Lander ‘Habitat’), says they should wait it out. — 2016
2. •
   (Australia) Initialism of mature adult audience (“Strong Violence”).

noun1

1. •
   (informal) A Maverick (in both noun senses).