The military version built by Cygnus Spaceworks is armed with ten laser cannons. The Lambda is reasonably well-armed, with three double blaster cannons (one rear-mounted) and two double laser cannons. The cockpit is at the front of the craft, and the boarding ramp is behind and under it. This design feature is implemented as a means to protect the ship's occupants as it touches down. When landing, the lower wings folded upwards.

When in flight position, the wing configuration resembles an inverted Y. Sienar Fleet Systems Lambda-class shuttle is based on a tri-wing design with a central stationary wing flanked by a pair of folding wings. The Lambda-class T-4a shuttle, shortened to the Lambda-class shuttle, or commonly known as the Imperial Shuttle, is a standard light utility craft in common use throughout the Imperial military as a transport for troops and high-ranking individuals. Personnel tractor beam (equipped when used as a rescue craft) Taim & Bak KX5 laser cannons (8 forward, 2 aft).Aft retractable ArMek R-T0 twin blaster cannon (1).Taim & Bak GA-60s twin laser cannons (2).Steerable forward twin Taim & Bak KX5 laser cannons (2).