reason why you can 'download'

target of 'downloading'

Battle Cruiser
 D-7 Class 6 / 5 / 5
 Cloaking Device / Tractor Beam
Special skill:  Any Klingon or Romulan.

Daval, D’vano, Gorrus, Kered

Gal Gath’thong
Romulan Bird-Of-Prey 5 / 7 / 6
 Cloaking Device / Tractor Beam
Special skill:  Any Romulan personnel.

Commander Charvanek, D’vano, Gorrus, Keras, Subcommander Tal, The Centurion

Goraxus
D'deridex Class 8 / 8 / 8
   Cloaking Device / Holodeck / Tractor Beam
Special skill:  Romulan Ambush.

Romulan Ambush

Haakona (SE)
D'deridex Class 7 / 9 / 9
    Cloaking Device / Tractor Beam
Special skill:  When you play this ship, you may download Engage Cloak or a Pursuit card.

Blind Spot, Engage Cloak

U.S.S. Prometheus
Promethus Class 10 / 9 / 9
   Holodeck / Tractor Beam
Special skill:  May download Multivector Assault Mode when in battle.

Multivector Assault Mode