In 1921 PD, it was dispatched to the Lynx Terminus of the Manticoran Wormhole Junction in the aftermath of the Battle of Monica, and assumed responsbility for the security of the terminus. Its commanding officer was Vice Admiral Jessup Blaine, whose flagship was the HMS Lysander.
The screen consisted of several battlecruisers. In 1921 two squadrons of battlecruisers were organized as Task Group 302.1, under a command of Vice Admiral Quentin O'Malley. They were charged with covering the Monica System after the Battle of Monica. (SI2)