It didn`t show even as they hit my ship. I checked the design to be double sure and can`t find anything wrong with it.
Guardian class Escort 6,000 tons 124 Crew 735.2 BP TCS 120 TH 360 EM 0
3000 km/s Armour 4-29 Shields 0-0 HTK 55 Sensors 0/0/0/0 DCR 2 PPV 10
Maint Life 2.06 Years MSP 199 AFR 111% IFR 1.5% 1YR 62 5YR 935 Max Repair 140.08 MSP
Magazine 353
Commander Control Rating 1 BRG
Intended Deployment Time: 12 months Morale Check Required
Nuclear Pulse Engine EP120.00 (3) Power 360 Fuel Use 127.58% Signature 120 Explosion 12%
Fuel Capacity 849,000 Litres Range 20 billion km (77 days at full power)
Size 1 Missile Launcher (10) Missile Size: 1 Rate of Fire 15
Missile Fire Control FC11-R1 (2) Range 11.7m km Resolution 1
Firefly Anti-Missile Missile (353) Speed: 14,200 km/s End: 1.3m Range: 1.1m km WH: 1 Size: 1 TH: 80/48/24
Active Search Sensor AS11-R1 (1) GPS 72 Range 11.7m km MCR 1.1m km Resolution 1
Missile to hit chances are vs targets moving at 3000 km/s, 5000 km/s and 10,000 km/s
This design is classed as a Military Vessel for maintenance purposes
Edit: I have set the enemy as hostile and my beam defence does work