cotton blend, which eliminates the need for a "starch and press" appearance and reduces the possibility of snags and tears from sharp objects (thus making the garment last longer). However this blend combines high flammability with the strength to hold onto the sailor's body while burning. In August 2016 the U.S. Navy announced that it is eliminating the NWU Type I in favor of the Type III which was phased in by 1 October 2019 for wear as the standard working uniform ashore for all Navy personnel. Type III will begin being issued to new navy recruits in October 2017. The Type II will remain restricted to wear by Naval Special Warfare sailors when in desert environments. The Navy's goal of developing a single working uniform for wear aboard ship and ashore and by all ranks and rates which the NWU Type I was supposed to fulfill was never realized by the Type I. Soon after its introduction it was found to be unsuitable for shipboard wear because of its lack of flame resistance and so was banned from wear aboard ship (except for when in port) thus making it essentially a uniform to be worn while ashore only. As a uniform for wear ashore only, a pattern designed to conceal stains aboard ships is not nearly as effective at concealment as a pattern designed to conceal people on land, thus the IIIs are used ashore. The Navy continues to work to develop a new shipboard working uniform. While Navy uniforms traditionally have featured an indication of rank on the cover, the Type III uniforms have been designated to replace the rank insignia with the Anchor, Constitution, and Eagle (ACE) insignia per guidance that "The design of the eight-point utility cap is scheduled for a design change that will replace the rank device with the ACE logo" All-weather garments include a unisex pullover sweater, a fleece jacket, and a parka, all of which are available in matching camouflage patterns. Beginning in 2016 the Navy had planned to also issue a lightweight version of the NWU Type I more suitable to hot environments. Black safety boots, identical to those worn by United States Coast Guard personnel with their Operational Dress Uniform, are worn with the NWU Type I. Brown or tan boots can be authorized for wear with the Type II and III, though black is the standard color for sailors