This should make you feel comfortable
The Pentagon recently signaled to a U.S. senator that it could not publicly reveal if or how it was buying access to Americans’ car, phone, and online metadata, only that, whatever it was doing, it was not violating the 4th amendment and also definitely didn’t need a warrant to do it.

Sen. Ron Wyden (D-OR) has been trying to get to the bottom of how and why the Department of Defense procures data through the private sector. Wyden became interested in the issue after multiple media reports showed that agencies like the Department of Homeland Security, the U.S. Special Forces, and, comfortingly, an agency in charge of drone strikes, have all been turning to the private sector to purchase data from ordinary apps. In January, the Defense Intelligence Agency admitted to buying access to the location data of phones based in the U.S.