3 ms·
The X-37 is the best example of one widely known to exist, without yet knowing all the details of its purpose and missions. It's pretty unlikely to be the only
by larzang 7y ago
The X-37 is the best example of one widely known to exist, without yet knowing all the details of its purpose and missions. It's pretty unlikely to be the only such program.
- arthurcolle 7y agoDo you know of any other examples?