Yes.
Apparently the two biggest obstacles are the lack of antimatter particles that haven't met their equal-and-opposite and been annihilated and the question of, once you have gathered a quantity, what to put them in?
Some of the groundwork has been done by the RAND Corporation on assignment from the USAF:
RAND Workshop on Antiproton Science and Technology
October 6 - 9. 1987: Annotated Executive Summary
October 6 - 9. 1987: Annotated Executive Summary
Previously:Bruno W. Augenstein
October 1988
Prepared for the United States Air Force
Is Elon Musk's SpaceX Secretly Working On An Antimatter Propulsion System?
