Looking at the Baltic itself, Bryan Clark, a senior fellow at the Center for Strategic and Budgetary Assessment and an American submarine veteran, said its shallow waters “are acoustically very different” than others, presenting a different set of problems to be addressed. 

Bryan Clark, senior fellow at the Center for Strategic and Budgetary Assessments and a retired Navy submarine officer, said the U.S. Navy has revitalized its ASW training and is working on new technologies to improve its ability to find and track Russian subs. He suggested other NATO members could take similar actions, including using manned and unmanned sensors to monitor the Baltic Sea and access points.

“Capabilities in development would enable larger caliber guns to launch HVPs at air and missile threats over medium ranges (10–30 nautical miles),” read a May report on air and missiles from the Center for Strategic and Budgetary Assessment (CSBA).

“It used to be that AGIs would deploy regularly off their ports and we would encounter them and they would operate very safely and professionally — mostly looking for signals intelligence,” Bryan Clark, a naval analyst at the Center for Strategic and Budgetary Assessments and former aide to retired Chief of Naval Operations Adm. Jonathan Greenert, told USNI News...

The three "fleet architecture" studies are being completed by the office of the chief of naval operations' assessment division (N81), the MITRE Group and the Center for Strategic and Budgetary Assessments, respectively. Bryan Clark, a senior fellow at CSBA who is leading the fleet architecture analysis, said the three studies will inform the Navy's new Force Structure Assessment (FSA), which lays out the number of ships the Navy needs...

“Frequently repositioning forces across a base cluster could induce an enemy to dilute its strike salvos over a larger area and possibly waste weapons on false targets,” Mark Gunzinger and Bryan Clark wrote in a May report for the Center for Strategic and Budgetary Assessments, a national security think thank.