Starfleet Insignia — Red

1280 × 1024

Klingon Symbol on Red Background

1920 × 1080

Imperial Crest Symbol — Blue

1680 × 1050

Klingon fleet logo from Star Trek Online

1131 × 707

Starfleet Insignia — Blue, Formal

1280 × 1024

Starship in Space — Black, Dramatic, Night, Digital Art, Spaceship, Blue Light

3840 × 2160

Starfleet insignia on blue background

1024 × 768

Colorful Emblem on Purple

1280 × 907

Portal 2 Logo — Blue, Minimalist, Digital Art, Text

1440 × 900

Aperture Laboratories Logo — Blue, Technological, Digital Art, Text

1680 × 1050

Red Imperial Symbol

1920 × 1200

Aperture Laboratories Logo — Blue, Neutral

1600 × 1200