What unit from the Roman Army consisting of centuries enjoyed more prestige than the Roman navy?
Roman navy The Roman navy (Latin: "Classis" , lit. "fleet") comprised the naval forces of the Ancient Roman state. The navy was instrumental in the Roman conquest of the Mediterranean basin, but it never enjoyed the prestige of the Roman legions. Throughout their history, the Romans remained a primarily land-based people and relied partially on their more nautically inclined subjects, such as the Greeks and the Egyptians, to build their ships. Because of that, the navy was never completely embraced by the Roman state, and deemed somewhat "un-Roman".
Hellenistic armies The Hellenistic armies is the term applied to the armies of the successor kingdoms of the Hellenistic period, which emerged after the death of Alexander the Great. After his death, Alexander's huge empire was torn between his successors, the Diadochi (Greek: Διάδοχοι ). During the Wars of the Diadochi, the Macedonian army, as developed by Alexander and Philip II, gradually adopted new units and tactics, further developing Macedonian warfare and improving on the tactics used in the Classical era. The armies of the Diadochi bear few differences from that of Alexander, but during the era of the Epigonoi (Ἐπίγονοι, "Successors"), the differences were obvious, favoring numbers over quality and weight over maneuverability. The limited availability of Greek conscripts in the east led to an increasing dependence on mercenary forces, whereas in the west, Hellenistic armies were continuously involved in wars, which soon exhausted local manpower, paving the way for Roman supremacy. The major Hellenistic states were the Seleucid Empire, Ptolemaic Egypt and the Antigonid kingdom (Macedonia). Smaller states included: Attalid Pergamum, Pontus, Epirus, the Achaean League, the Aetolian League, Syracuse, and other states (like Athens, Sparta etc.).