This story is a sequel to The Eagle Has Landed

When President Nixon orders, you obey. And now that he wants Luna on the LM and heading home, how is Neil ever going to convince her to follow?
But it doesn't even get that far, as an innocent mistake endangers the mission.
And even as the mission is endangered, tensions are rising back on Earth. While the drama plays out in Mission Control, just what is going on behind the Iron Curtain?
No one knows, but it's certainly not conducive to Apollo 11's welfare.

Sequel here.

(Battleships are Magic - Connection)

The link that joins the two worlds has been active for a while. Everypony has gotten used to the idea. However, things change when illegal portals begin appearing. What happens when organized crime gets involved?

A farm pony and a former SEAL with a sweet tooth work together to get to the bottom of things.

On the eve of the Gulf War, a US Navy ship sails through an intense storm and into a different world.

Equestria and the other members of the United Lands are attempting to remove the dragons from their encroachment into Zebrica, but diplomacy is failing. While nopony wants a war, it appears that there might be no other option.

Captain John Mittal and the rest of the sailors aboard USS Wisconsin have some tough political and ethical choices to make. This isn't their fight, but can they stand by while the rest of the world prepares for war?

Sequel to Battleships are Magic-

A few years have passed since first contact between ponies and men. The gap between worlds has secretly been bridged and it is possible to travel between the United States and Equestira.

The President hopes that the American public will be receptive, but on the way to the press conference something goes terribly wrong.