wings 15 and glides to a target area once over the target area the artillery projectile 10 activates the camera 17 and transmits imagery of the target area for battle damage assessment or prestrike reconnaissance the expendable battle damage assessment sensor provided by the artillery projectile 10 has a length of about 50 cm 20 inches a weight of about 3 6 kg 8 pounds has an air speed of about 50 m s 100 knots and navigates using the global positioning system the artillery projectile 10 has no engine no fuel no maintenance no pilot and has a relatively low cost the present artillery projectile 10 extends the technology disclosed in u s pat no 5 537 909 to provided a howitzer launched projectile 10 as shown in fig2 more specifically fig2 illustrates a rocket launching system 40 in accordance with the principles of the present invention for launching the projectile 10 shown in fig1 the gun 30 is conventional and has a gun tube 31 with an internal bore 32 that ends at a breech 33 the internal bore 32 of the gun tube 31 has lands and grooves 38 39 therein a breech block 34 is disposed at an aft end of the gun tube 31 a percussion primer 35 is disposed.