Global Military Wearables Market By Wearable Type (Headwear, Eyewear, Wristwear, Bodywear, Hearables), By Technology (Communication & Computing, Connectivity, Navigation, Vision & Surveillance, Exoskeleton, Monitoring, Power & Energy Management, Smart Textiles), By End User (Land Forces, Airborne Forces, Naval Forces), By Region and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2021–2031