NAVSUP Weapon Systems Support in Mechanicsburg is seeking contractors to manufacture specific impulse cartridges, as the government lacks the necessary data to perform the work. This is a sources sought notice to identify capable suppliers, not a request for competitive proposals. No submission timeline, budget amount, or performance location is specified in the description. Interested parties must submit capability statements before the notice’s closing date for government consideration. The government retains sole discretion to determine whether to compete the eventual contract based on responses.