Once upon a time there was ... "ops" wrong preface.
Many years ago, I was assigned to an Army Air Defense Headquarters, and was watching a radar dispay scope with several other soldiers, when we observed a target return moving very fast from East to West. At first we thought it might have been a satellite in decaying orbit, but quickly realized that satellites never are launched East to West, due to the physics of the energy required. At this point in time we decided it must be a meteor, but then it turned ninty degrees to the South and not only maintained is impossibly high speed of greater than Mach 3.2 (3,530 km/hr), but accelerated slightly, while climbing to an altitude above 100,000 feet (30,500 meters).
We contacted our higher headquarters, and were bumped up to the Strategic Air Command who told us that we did not see anything and that we had an equipment malfunction, we were further ordered to immediately erase the tape of the radar track, check our equipment and forget the entire incident.
Fifteen years later when the Air Force declassified an aircraft and some of it's capabilities, I finally realized that we had been tracking the SR 71 Blackbird, and not a flying saucer.
To at last answer the question, I do believe there is life in other solar systems, but not in flying saucers.