With the U.S. Centers for Disease Control and Prevention (CDC) accelerating its approval of simulated voyages (better known as test cruises) with volunteers aboard, a number of cruise lines have revealed plans for their test sailings.

Five sailings have so far been officially announced, while the CDC said in a court filing on Tuesday it had so far approved four sailings (three were formally announced after the court filing), with six more under review.

Confirmed Test Sailings as of June 4:

Cruise Line: Royal Caribbean International
Ship: Freedom of the Seas
Date: June 20
Homeport: Miami
Details: Royal Caribbean has said they have received over 250,000 volunteer sign ups. Learn more here.

Cruise Line: Bahamas Paradise Cruise Line
Ship: Grand Classica
Date: June 25
Homeport: Palm Beach
Details: A small, private group of pre-selected, fully vaccinated passengers will join a group of fully vaccinated crew members onboard Grand Classica. The sailing is not open to the public or sign ups.

Cruise Line: Disney Cruise Line
Ship: Disney Dream
Date: June 29
Homeport: Port Canaveral 
Details: Disney has not revealed any details. 

Cruise Line: Royal Caribbean International
Ship: Allure of the Seas
Date: July 27
Homeport: Port Canaveral 
Details: Royal Caribbean has said they have received over 250,000 volunteer sign ups. Learn more here.

Cruise Line: Royal Caribbean International
Ship: Symphony of the Seas 
Date: August 1
Homeport: Miami
Details: Royal Caribbean has said they have received over 250,000 volunteer sign ups. Learn more here.

Cruise Line: Royal Caribbean International
Ship: Mariner of the Seas
Date: August 1
Homeport: TBA
Details: Royal Caribbean has said they have received over 250,000 volunteer sign ups. Learn more here.

Cruise Line: Royal Caribbean International
Ship: Independence of the Seas
Date: August 11
Homeport: TBA
Details: Royal Caribbean has said they have received over 250,000 volunteer sign ups. Learn more here.