US government has many pet projects. Dark Star is one that has been leaked out to the public. Many other projects undertaken we the public have not herd of. Dark objects in the sky typical of stealth technology could be created by man. SR22 blackbird is a supersonic high altitude jet that was in service for over 5 years before its exsistance was admitted. Dark star is rumored to break top speed and endourance standers to date. dark star is an alfa design said to reach any point on the planet in a 3 hour period. perhaps dark objects moving in the sky can be mechanical devices made by man, or even a crow. pictures help us to study what we see. be careful to doccument and obtain proof. we have enough people who feel they need attention and will say anything to be noticed. Proof, research, and deduction are important when you view the sky. Magic looks real but its not.