The X-47B first flew in 2011, and as of 2015, its two active demonstrators have undergone extensive flight and operational integration testing, having successfully performed a series of land- and carrier-based demonstrations.
X-47B pertama terbang pada 2011, dan pada 2013, ia menjalani uji penerbangan, setelah berhasil melakukan serangkaian demonstrasi lahan dan berbasis operator.