Underwater pipeline inspection crawler

A system for inspection of an underwater pipeline below a surface of a body of water, comprising:

• at least one inspection crawler, the at least one inspection crawler comprising a housing, a power source, a controller, at least one inspection tool, at least two pairs of driving wheels, and at least two pairs of latching arms, wherein each latching arm has a rolling element on a distal end of the respective latching arm, and wherein the rolling elements are configured to a) assist with parking the at least one inspection crawler on the underwater pipeline by pressing on a surface of the underwater pipeline and b) assist with propelling the at least one inspection crawler across weld joints of the underwater pipeline by selectively detaching from the surface of the underwater pipeline;
• at least one communication unit located on top of the surface of the body of water and operatively connected to the at least one inspection crawler, the at least one communication unit being configured to communicate aerially with one or more remote devices;
• at least one sea surface unit operatively connected to the at least one communication unit;
• and
• at least one remotely operated vehicle (ROV), wherein the inspection crawler is configured to operate as a docking station for the ROV and the ROV is configured to dock into the crawler, and wherein the ROV is configured to assist the inspection crawler in underwater navigation when the ROV is docked into the inspection crawler.