▁that ▁house ▁both ▁digital ▁base band ▁and ▁Radio ▁Fre quency ▁( R F ) ▁circ uits ▁in ▁a ▁compact , ▁rug ged , ▁mount able ▁en closure ▁to ▁eliminate ▁external ▁interfaces ▁and ▁reduce ▁installation ▁errors ▁and ▁setup ▁time . ▁A ▁range ▁of ▁e Node B ▁form ▁factors ▁are ▁offered ▁for ▁different ▁deployment ▁scenarios ▁and ▁support ▁standard ▁ 4 G ▁L TE ▁band ▁classes ▁and ▁frequency ▁ranges ▁from ▁ 4 0 0   M Hz ▁to ▁ 6   G Hz . ▁Virtual ▁Core ▁Network ▁( VC N ) ▁is ▁virtual ▁ 4 G ▁core ▁network ▁that ▁can ▁be ▁deployed ▁on ▁a ▁wide ▁range ▁of ▁C OT S ▁computing ▁platforms . ▁The ▁V CN ▁is ▁an ▁E vol ved ▁Pack et ▁Core ▁( E PC ) ▁solution . ▁ ▁Cy ber ▁Cy ber ▁Def ense ▁products ▁include : ▁T AC L AN E ▁Network ▁Enc rypt ors , ▁Prote c D @ R ▁Data - at - Rest ▁Enc rypt ors , ▁G EM ▁X ™ ▁Enc rypt or ▁Manager , ▁Pit B ull ▁Oper ating ▁System ▁and ▁Tr usted ▁Network ▁Environment . ▁ ▁Mar itime ▁and ▁Str ateg ic ▁Systems ▁General ▁Dynam ics ▁Mission ▁Systems ▁acquired ▁Blue fin ▁Rob ot ics ▁in ▁February ▁ 2 0 1 6 . ▁They ▁are ▁a ▁manufact urer ▁of ▁un mann ed ▁under se a ▁vehicles ▁( U U V s ) ▁that ▁perform ▁a ▁wide ▁range ▁of ▁miss ions ▁for ▁the ▁U . S . ▁military ▁and ▁commercial ▁customers . ▁ ▁The ▁Independ ence - variant