- A chitinous carapace that forms a secondary, exterior skeleton.
- Compound-lensed eyes giving SCP-2273-2 approximately a 270° field of vision and approximately 90° of binocular vision.
- Earth-tone coloration visually similar to military forest-pattern camouflage.
- Advanced musculature that integrates with SCP-2273-1's musculoskeletal system and allows SCP-2273 to carry an estimated 1200 kilograms in addition to its own weight.
- Proboscis similar in function to that of Musca domestica3 used by SCP-2273-2 to procure nutrients for itself and its host.
- Colored scar tissue similar in nature to tattoos corresponding to military patches and badges.
- A fully functional organic radio transceiver capable of transmitting both encrypted and unencrypted audio messages over a wide bandwidth.
SCP-2273 is approximately 2.1 meters in height and 290 kilograms in weight. SCP-2273-2's exterior is heavily scarred on both forearms and shoulder blades. Upon recovery, these areas bore open wounds. SCP-2273 claims that weapon nacelles were previously mounted at these locations. All written tattoo patterns are in Russian and indicate that SCP-2273 was a Major in the 22nd Armored Infantry Division. It is fluent in Russian and German.
SCP-2273 was recovered during investigation of a seismic event and radiation spikes detected outside Danner, Wisconsin on 13 October, 1989. SCP-2273 was found after tracing radio transmissions coming from its location. SCP-2273 was wounded, delirious, and suffering from malnutrition. It offered no resistance to the recovery team. It was moved to Site-17 shortly after its recovery.