The COMSPOC study included a look at risks from unannounced rendezvous and proximity operations such as those being routinely performed by the Russian "inspector" satellite Luch/Olymp that have raised hackles at the Defense Department and the risks to US military satellites cause by mis-plotting the trajectories of adversary birds.
There is growing concern about what happens when different countries' predictions of an on-orbit collision do not match, said Matt Hejduk, of The Aerospace Corporation. "A man with two watches never knows what time it is," he quipped.