This is quite curious:

Here’s video of the collision:

More from CBS:

BALTIMORE — A Danish ship and a U.S. Navy vessel collided in Baltimore’s Inner Harbor on Sunday morning, according to authorities.

The “Danmark” was being tugged by a smaller boat when it smashed into some wood pilings a few minutes after 11 a.m., officials said.

The tugboat then pulled the Danmark into the U.S. Minneapolis-St. Paul, according to authorities.

U.S. military personnel said in a statement facilitated by the Baltimore Police Department that no one was injured during the collision.

[CBS News]

Three days prior to the incident, a Twitter anon noted:

The media is so far refusing to confirm the gender of the sailors involved, but inquiring minds want to know…