U 3504 was a German type XXI submarine. The keel was laid on June 30, 1944 at the Schichau shipyard in Danzig . It was put into service on September 23, 1944 under Kptl. K.-H. Siebold with the 8th Flotilla (Danzig). On May 5, 1945, U 3504 was sunkin Wilhelmshaven itself.
Submarines : U 2321 | U 2322 | U 2323 | U 2324 | U 2325 | U 2326 | U 2327 | U 2328 | U 2329 | U 2330 | U 2331 | U 2332 | U 2333 | U 2334 | U 2335 | U 2336 | U 2337 | U 2338 | U 2339 | U 2340 | U 2341 | U 2342 | U 2343 | U 2344 | U 2345 | U 2346 | U 2347 | U 2348 | U 2349 | U 2350 | U 2351 | U 2352 | U 2353 | U 2354 | U 2355 | U 2356 | U 2357 | U 2358 | U 2359 | U 2360 | U 2361 | U 2362 | U 2363 | U 2364 | U 2365 | U 2366 | U 2367 | U 2368 | U 2369 | U 2371 | U 2501 | U 2502 | U 2503 | U 2504 | U 2505 | U 2506 | U 2507 | U 2508 | U 2509 | U 2510 | U 2511 | U 2512 | U 2513 | U 2514 | U 2515 | U 2516 | U 2517 | U 2518 | U 2519 | U 2520 | U 2521 | U 2522 | U 2523 | U 2524 | U 2525 | U 2526 | U 2527 | U 2528 | U 2529 | U 2530 | U 2531 | U 2533 | U 2534 | U 2535 | U 2536 | U 2538 | U 2539 | U 2540 | U 2541 | U 2542 | U 2543 | U 2544 | U 2545 | U 2546 | U 2548 | U 2551 | U 2552 | U 3001 | U 3002 | U 3003 | U 3004 | U 3005 | U 3006 | U 3007 | U 3008 | U 3009 | U 3010 | U 3011 | U 3012 | U 3013 | U 3014 | U 3015 | U 3016 | U 3017 | U 3018 | U 3019 | U 3020 | U 3021 | U 3022 | U 3023 | U 3024 | U 3025 | U 3026 | U 3027 | U 3028 | U 3029 | U 3030 | U 3031 | U 3032 | U 3033 | U 3034 | U 3035 | U 3037 | U 3038 | U 3039 | U 3040 | U 3041 | U 3044 | U 3501 | U 3502 | U 3503 | U 3504 | U 3505 | U 3506 | U 3507 | U 3508 | U 3509 | U 3510 | U 3511 | U 3512 | U 3513 | U 3514 | U 3515 | U 3516 | U 3517 | U 3518 | U 3519 | U 3520 | U 3521 | U 3522 | U 3523 | U 3524 | U 3525 | U 3526 | U 3527 | U 3528 | U 3529 | U 3530 | U 4701 | U 4702 | U 4703 | U 4704 | U 4705 | U 4706 | U 4707 | U 4709 | U 4710 | U 4711 | U 4712
