Use "obsolescent" in a sentence

1. Even though those two types of fighters are obsolescent, they can still be useful against Japanese bombers

2. The Boeing P-26A PEASHOOTER, while obsolescent, was at least a simple and robust plane that was also easy both to pilot and to maintain

3. He makes his way through a narrow alley, winding up at the so-called Miyawaki place—an abandoned house on an overgrown lot, with a paltry bird sculpture and an obsolescent well

4. It is not necessary for anything new to enter into the consciousness of men, but only for the mist to disappear, which conceals from men the true meaning of some acts of violence, in order that this may happen and the growing Christian public opinion should get the better of the obsolescent pagan public opinion, which admitted and justified acts of violence