- ROVER
- Familiar dog's name
- Generic dog name
- What you could reasonably name your canine adoptee, if it were a 30-Across
- Unsettled sort
- Fetching one, perhaps
- A.k.a. Fido
- Explorer on Mars
- Machine on Mars
- Word after Mars or red
- Fido's friend
- Generic pooch name
- Word on a doghouse
- Nomad
- Lunar ___ (Apollo 15 vehicle)
- Canine name
- Common dog's name
- Martian explorer
- One on the move
- Friend of Fido
- Red one in a classic playground game
- Vagabond
- Red dog
- Wanderer
- Spot's friend
- Man on the move
- Bowser's buddy
- Gadabout
- Rolling stone
- Stereotypical dog name
- Medieval minstrel, often
- Moon vehicle
- Friend of Rex
- Rootless sort
- See 19-Across
- 63-Across exploration vehicle
- Mars explorer
- Relative of Fido
- Mars exploration vehicle
- Wandering one
- Generic pooch
- Spacecraft on Mars
- Footloose one
- Land __
- NASA robotic vehicle
- One refusing to settle
- Exploration vehicle
- Not a stay-at-home type
- Popular dog's name
- Name for a setter.
- Pal of Fido
- Brother of Snoopy
- Playmate of Spot
- Name on a bone-shaped ID tag, perhaps
- Pirate ship.
- Canine cognomen.
- Footloose fellow.
- Free-moving croquet ball.
- Pirate.
- Peripatetic one.
- Fido's cousin.
- A wandering dog?
- Dog's name.
- Friend of 10 Across.
- Freebooter.
- Name for a dog.
- Name for a pooch
- Archery mark
- Fido's companion
- Corsair, for one
- Popular name for a dog
- Name for a field dog
- Red ___ (children's game)
- Croquet player, at times
- Dick, Tom or Sam
- Name for a hound
- Stray
- British-made car
- Friend for Fido
- Itinerant
- Children's game
- Mars Pathfinder, for one
- Spot alternative
- Vehicle on Mars
- Mars vehicle
- Standard dog name
- Land ___ (British luxury vehicle)
- One of six parked on the moon
- Opportunity on Mars, e.g.
- Robot on Mars
- Fleetwood Mac: "Red ___"
- Touring rocker
- Zep song off "Physical Graffiti" (with "the")
- Nomadic sort
- Van Morrison "One Irish ___"
- Hopeless touring rocker
- Jethro Tull song about a dog?
- Touring vagabond
- Dog tag
- Alchemy has called off its deal to buy this from BMW
- BMW is selling this English subsidiary
- A dog's name
- Generic canine name
- Name for a dog, perhaps
- Friend of Spot or Fido
- Opportunity on Mars, for one
- Footloose type
- Pooch name
- The ___ Boys
- Common dog name
- Lunar vehicle
- Generic dog's name
- Vehicle that explores a planet
- He wanders
- Pal of Fido and Spot
- He may be in the doghouse
- Mutt monicker
- Curiosity on Mars, e.g.
