What is the insignia for an E-1 in the Navy?

The insignia for an E-1 in the Navy is indeed Seaman Recruit. An E-1 rank does not have a distinctive insignia; instead, it is represented simply by the title itself, "Seaman Recruit". Sailors at this entry-level rank are typically just beginning their naval training and are not yet qualified for advancement. They wear no collar devices or sleeves insignia that indicate their rate or specialty, which distinguishes them from higher ranks.

Seaman Apprentice (the next rank, E-2) does have an insignia that features two diagonal stripes, while the rank of Seaman (E-3) has three stripes. The Petty Officer Third Class, a non-commissioned officer rank, is significantly higher, starting at E-4, and is represented with a distinctive eagle and chevrons. Understanding these distinctions between ranks and their insignias is crucial for understanding Navy hierarchy and protocol.