Capt. Patrick T. Grosso, food services officer, Food Services Division, has his blood pressure taken before donating blood in the Naval Medical Center?s Blood Mobile here May 3. Grosso donates blood regularly. - Capt. Patrick T. Grosso, food services officer, Food Services Division, has his blood pressure taken before donating blood in the Naval Medical Center?s Blood Mobile here May 3. Grosso donates blood regularly.