Why didn they just have an Eagle fly the Ring to Mt. Doom?
This debate is most interesting when limited to “story internal” arguments (i.e. “Otherwise it would be a dull book” is a cop-out). One possibility is that there were no Eagles available when they were needed. Another common argument is that Mordor was well defended, while the Eagles were wary even of shepherds with bows. It may have been an issue of secrecy: a group of Eagles far from the Misty Mountains flying toward Mordor might well have drawn Sauron’s attention, and might have even hinted at the plan to destroy the Ring. Some suggest that like the Istari, the Eagles were forbidden by the Valar to help so directly. Another suggestion is that Frodo may have needed the long journey to (hopefully) develop enough strength of will to cast the Ring into the Fire. Many other explanations are seen repeatedly as well. In the end, most participants tend to agree that an Eagle taking the Ring to Mount Doom would not have worked. But that is not the end of the discussion. Even if those objecti