3 silent military aircraft hover then fly over IndyLooking northeast towards Indianapolis from Eagle Creek, we noticed two stationary lights hovering in the sky. They hovered close together for a couple minutes and then the right one quickly shot up diagonally before flying directly overhead, maybe towards Whitestown.The second plane continued to hover before following the same path, and was shortly followed by a third. They were triangular, military aircraft and were near silent as they flew low overhead.It was very strange and seemed to be a purposeful flight, they weren't just passing by. It seems unlikely that they would waste personnel and resources to carry out a military exercise over Indiana, but if so, then why the hovering and strange maneuvers?