Carderock Changes Command > Naval Sea Systems Command > Article View Military Uniforms Navy Navy to don Silent Service submarine uniforms for Army rivalry game US Navy Receives First Flight III Arleigh Burke Destroyer. Our ESCVDO Ushnu Sweater in Navy is crafted with a blend of carefully selected alpaca threads, one of which undergoes a unique finishing process to enhance its softness and texture, the sweater offers a luxurious, cloud like feel. Fringed embellishments at the sleeves add both volume and dynamic flair, elevating the piece with a playful yet sophisticated touch. This piece was handmade by Vilma Bautista in her workshop in Villa Salvador, Lima, Peru.